78006285

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 166618296

約数和(自身を除く): 88612011

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1785, 2081, 2205, 2499, 4165, 5355, 6243, 7497, 10405, 12495, 14567, 18729, 31215, 35377, 37485, 43701, 72835, 93645, 101969, 106131, 131103, 176885, 218505, 247639, 305907, 318393, 509845, 530655, 655515, 742917, 917721, 1238195, 1529535, 1591965, 1733473, 2228751, 3714585, 4588605, 5200419, 8667365, 11143755, 15601257, 26002095, 78006285]

約数ペア:

[(1, 78006285), (3, 26002095), (5, 15601257), (7, 11143755), (9, 8667365), (15, 5200419), (17, 4588605), (21, 3714585), (35, 2228751), (45, 1733473), (49, 1591965), (51, 1529535), (63, 1238195), (85, 917721), (105, 742917), (119, 655515), (147, 530655), (153, 509845), (245, 318393), (255, 305907), (315, 247639), (357, 218505), (441, 176885), (595, 131103), (735, 106131), (765, 101969), (833, 93645), (1071, 72835), (1785, 43701), (2081, 37485), (2205, 35377), (2499, 31215), (4165, 18729), (5355, 14567), (6243, 12495), (7497, 10405)]