221234706

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{691}}^1$

素因数の和:738

約数の個数: 144

約数和(自身を含む): 629526240

約数和(自身を除く): 408291534

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 49, 54, 63, 66, 77, 98, 99, 121, 126, 147, 154, 189, 198, 231, 242, 294, 297, 363, 378, 441, 462, 539, 594, 691, 693, 726, 847, 882, 1078, 1089, 1323, 1382, 1386, 1617, 1694, 2073, 2079, 2178, 2541, 2646, 3234, 3267, 4146, 4158, 4837, 4851, 5082, 5929, 6219, 6534, 7601, 7623, 9674, 9702, 11858, 12438, 14511, 14553, 15202, 15246, 17787, 18657, 22803, 22869, 29022, 29106, 33859, 35574, 37314, 43533, 45606, 45738, 53207, 53361, 67718, 68409, 83611, 87066, 101577, 106414, 106722, 130599, 136818, 159621, 160083, 167222, 203154, 205227, 250833, 261198, 304731, 319242, 320166, 372449, 410454, 478863, 501666, 585277, 609462, 744898, 752499, 914193, 957726, 1117347, 1170554, 1436589, 1504998, 1755831, 1828386, 2234694, 2257497, 2873178, 3352041, 3511662, 4096939, 4514994, 5267493, 6704082, 8193878, 10056123, 10534986, 12290817, 15802479, 20112246, 24581634, 31604958, 36872451, 73744902, 110617353, 221234706]

約数ペア:

[(1, 221234706), (2, 110617353), (3, 73744902), (6, 36872451), (7, 31604958), (9, 24581634), (11, 20112246), (14, 15802479), (18, 12290817), (21, 10534986), (22, 10056123), (27, 8193878), (33, 6704082), (42, 5267493), (49, 4514994), (54, 4096939), (63, 3511662), (66, 3352041), (77, 2873178), (98, 2257497), (99, 2234694), (121, 1828386), (126, 1755831), (147, 1504998), (154, 1436589), (189, 1170554), (198, 1117347), (231, 957726), (242, 914193), (294, 752499), (297, 744898), (363, 609462), (378, 585277), (441, 501666), (462, 478863), (539, 410454), (594, 372449), (691, 320166), (693, 319242), (726, 304731), (847, 261198), (882, 250833), (1078, 205227), (1089, 203154), (1323, 167222), (1382, 160083), (1386, 159621), (1617, 136818), (1694, 130599), (2073, 106722), (2079, 106414), (2178, 101577), (2541, 87066), (2646, 83611), (3234, 68409), (3267, 67718), (4146, 53361), (4158, 53207), (4837, 45738), (4851, 45606), (5082, 43533), (5929, 37314), (6219, 35574), (6534, 33859), (7601, 29106), (7623, 29022), (9674, 22869), (9702, 22803), (11858, 18657), (12438, 17787), (14511, 15246), (14553, 15202)]