66285387

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 118441440

約数和(自身を除く): 52156053

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 71, 73, 87, 147, 203, 213, 219, 261, 441, 497, 511, 609, 639, 657, 1421, 1491, 1533, 1827, 2059, 2117, 3479, 3577, 4263, 4473, 4599, 5183, 6177, 6351, 10437, 10731, 12789, 14413, 14819, 15549, 18531, 19053, 31311, 32193, 36281, 43239, 44457, 46647, 100891, 103733, 108843, 129717, 133371, 150307, 253967, 302673, 311199, 326529, 450921, 761901, 908019, 933597, 1052149, 1352763, 2285703, 3156447, 7365043, 9469341, 22095129, 66285387]

約数ペア:

[(1, 66285387), (3, 22095129), (7, 9469341), (9, 7365043), (21, 3156447), (29, 2285703), (49, 1352763), (63, 1052149), (71, 933597), (73, 908019), (87, 761901), (147, 450921), (203, 326529), (213, 311199), (219, 302673), (261, 253967), (441, 150307), (497, 133371), (511, 129717), (609, 108843), (639, 103733), (657, 100891), (1421, 46647), (1491, 44457), (1533, 43239), (1827, 36281), (2059, 32193), (2117, 31311), (3479, 19053), (3577, 18531), (4263, 15549), (4473, 14819), (4599, 14413), (5183, 12789), (6177, 10731), (6351, 10437)]