91871775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 176301216

約数和(自身を除く): 84429441

約数列:

[1, 3, 5, 9, 15, 23, 25, 41, 45, 69, 75, 115, 123, 205, 207, 225, 345, 369, 433, 575, 615, 943, 1025, 1035, 1299, 1725, 1845, 2165, 2829, 3075, 3897, 4715, 5175, 6495, 8487, 9225, 9959, 10825, 14145, 17753, 19485, 23575, 29877, 32475, 42435, 49795, 53259, 70725, 88765, 89631, 97425, 149385, 159777, 212175, 248975, 266295, 408319, 443825, 448155, 746925, 798885, 1224957, 1331475, 2041595, 2240775, 3674871, 3994425, 6124785, 10207975, 18374355, 30623925, 91871775]

約数ペア:

[(1, 91871775), (3, 30623925), (5, 18374355), (9, 10207975), (15, 6124785), (23, 3994425), (25, 3674871), (41, 2240775), (45, 2041595), (69, 1331475), (75, 1224957), (115, 798885), (123, 746925), (205, 448155), (207, 443825), (225, 408319), (345, 266295), (369, 248975), (433, 212175), (575, 159777), (615, 149385), (943, 97425), (1025, 89631), (1035, 88765), (1299, 70725), (1725, 53259), (1845, 49795), (2165, 42435), (2829, 32475), (3075, 29877), (3897, 23575), (4715, 19485), (5175, 17753), (6495, 14145), (8487, 10825), (9225, 9959)]