87976575

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 165874800

約数和(自身を除く): 77898225

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 97, 139, 145, 225, 261, 291, 417, 435, 485, 695, 725, 873, 1251, 1305, 1455, 2085, 2175, 2425, 2813, 3475, 4031, 4365, 6255, 6525, 7275, 8439, 10425, 12093, 13483, 14065, 20155, 21825, 25317, 31275, 36279, 40449, 42195, 60465, 67415, 70325, 100775, 121347, 126585, 181395, 202245, 210975, 302325, 337075, 391007, 606735, 632925, 906975, 1011225, 1173021, 1955035, 3033675, 3519063, 5865105, 9775175, 17595315, 29325525, 87976575]

約数ペア:

[(1, 87976575), (3, 29325525), (5, 17595315), (9, 9775175), (15, 5865105), (25, 3519063), (29, 3033675), (45, 1955035), (75, 1173021), (87, 1011225), (97, 906975), (139, 632925), (145, 606735), (225, 391007), (261, 337075), (291, 302325), (417, 210975), (435, 202245), (485, 181395), (695, 126585), (725, 121347), (873, 100775), (1251, 70325), (1305, 67415), (1455, 60465), (2085, 42195), (2175, 40449), (2425, 36279), (2813, 31275), (3475, 25317), (4031, 21825), (4365, 20155), (6255, 14065), (6525, 13483), (7275, 12093), (8439, 10425)]