81259542

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 144

約数和(自身を含む): 232792560

約数和(自身を除く): 151533018

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 49, 57, 63, 78, 91, 98, 114, 117, 126, 133, 147, 171, 182, 234, 247, 266, 273, 294, 342, 373, 399, 441, 494, 546, 637, 741, 746, 798, 819, 882, 931, 1119, 1197, 1274, 1482, 1638, 1729, 1862, 1911, 2223, 2238, 2394, 2611, 2793, 3357, 3458, 3822, 4446, 4849, 5187, 5222, 5586, 5733, 6714, 7087, 7833, 8379, 9698, 10374, 11466, 12103, 14174, 14547, 15561, 15666, 16758, 18277, 21261, 23499, 24206, 29094, 31122, 33943, 36309, 36554, 42522, 43641, 46998, 49609, 54831, 63783, 67886, 72618, 87282, 92131, 99218, 101829, 108927, 109662, 127566, 148827, 164493, 184262, 203658, 217854, 237601, 276393, 297654, 305487, 328986, 347263, 446481, 475202, 552786, 610974, 644917, 694526, 712803, 829179, 892962, 1041789, 1289834, 1425606, 1658358, 1934751, 2083578, 2138409, 3125367, 3869502, 4276818, 4514419, 5804253, 6250734, 9028838, 11608506, 13543257, 27086514, 40629771, 81259542]

約数ペア:

[(1, 81259542), (2, 40629771), (3, 27086514), (6, 13543257), (7, 11608506), (9, 9028838), (13, 6250734), (14, 5804253), (18, 4514419), (19, 4276818), (21, 3869502), (26, 3125367), (38, 2138409), (39, 2083578), (42, 1934751), (49, 1658358), (57, 1425606), (63, 1289834), (78, 1041789), (91, 892962), (98, 829179), (114, 712803), (117, 694526), (126, 644917), (133, 610974), (147, 552786), (171, 475202), (182, 446481), (234, 347263), (247, 328986), (266, 305487), (273, 297654), (294, 276393), (342, 237601), (373, 217854), (399, 203658), (441, 184262), (494, 164493), (546, 148827), (637, 127566), (741, 109662), (746, 108927), (798, 101829), (819, 99218), (882, 92131), (931, 87282), (1119, 72618), (1197, 67886), (1274, 63783), (1482, 54831), (1638, 49609), (1729, 46998), (1862, 43641), (1911, 42522), (2223, 36554), (2238, 36309), (2394, 33943), (2611, 31122), (2793, 29094), (3357, 24206), (3458, 23499), (3822, 21261), (4446, 18277), (4849, 16758), (5187, 15666), (5222, 15561), (5586, 14547), (5733, 14174), (6714, 12103), (7087, 11466), (7833, 10374), (8379, 9698)]