8920665

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 96

約数和(自身を含む): 18973440

約数和(自身を除く): 10052775

約数列:

[1, 3, 5, 9, 13, 15, 17, 23, 27, 39, 45, 51, 65, 69, 85, 115, 117, 135, 153, 169, 195, 207, 221, 255, 299, 345, 351, 391, 459, 507, 585, 621, 663, 765, 845, 897, 1035, 1105, 1173, 1495, 1521, 1755, 1955, 1989, 2295, 2535, 2691, 2873, 3105, 3315, 3519, 3887, 4485, 4563, 5083, 5865, 5967, 7605, 8073, 8619, 9945, 10557, 11661, 13455, 14365, 15249, 17595, 19435, 22815, 25415, 25857, 29835, 34983, 40365, 43095, 45747, 52785, 58305, 66079, 76245, 77571, 104949, 129285, 137241, 174915, 198237, 228735, 330395, 387855, 524745, 594711, 686205, 991185, 1784133, 2973555, 8920665]

約数ペア:

[(1, 8920665), (3, 2973555), (5, 1784133), (9, 991185), (13, 686205), (15, 594711), (17, 524745), (23, 387855), (27, 330395), (39, 228735), (45, 198237), (51, 174915), (65, 137241), (69, 129285), (85, 104949), (115, 77571), (117, 76245), (135, 66079), (153, 58305), (169, 52785), (195, 45747), (207, 43095), (221, 40365), (255, 34983), (299, 29835), (345, 25857), (351, 25415), (391, 22815), (459, 19435), (507, 17595), (585, 15249), (621, 14365), (663, 13455), (765, 11661), (845, 10557), (897, 9945), (1035, 8619), (1105, 8073), (1173, 7605), (1495, 5967), (1521, 5865), (1755, 5083), (1955, 4563), (1989, 4485), (2295, 3887), (2535, 3519), (2691, 3315), (2873, 3105)]