551655

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 1100736

約数和(自身を除く): 549081

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 41, 45, 65, 69, 115, 117, 123, 195, 205, 207, 299, 345, 369, 533, 585, 615, 897, 943, 1035, 1495, 1599, 1845, 2665, 2691, 2829, 4485, 4715, 4797, 7995, 8487, 12259, 13455, 14145, 23985, 36777, 42435, 61295, 110331, 183885, 551655]

約数ペア:

[(1, 551655), (3, 183885), (5, 110331), (9, 61295), (13, 42435), (15, 36777), (23, 23985), (39, 14145), (41, 13455), (45, 12259), (65, 8487), (69, 7995), (115, 4797), (117, 4715), (123, 4485), (195, 2829), (205, 2691), (207, 2665), (299, 1845), (345, 1599), (369, 1495), (533, 1035), (585, 943), (615, 897)]