2758275

素因数分解:

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

素因数の和:93

約数の個数: 72

約数和(自身を含む): 5687136

約数和(自身を除く): 2928861

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 41, 45, 65, 69, 75, 115, 117, 123, 195, 205, 207, 225, 299, 325, 345, 369, 533, 575, 585, 615, 897, 943, 975, 1025, 1035, 1495, 1599, 1725, 1845, 2665, 2691, 2829, 2925, 3075, 4485, 4715, 4797, 5175, 7475, 7995, 8487, 9225, 12259, 13325, 13455, 14145, 22425, 23575, 23985, 36777, 39975, 42435, 61295, 67275, 70725, 110331, 119925, 183885, 212175, 306475, 551655, 919425, 2758275]

約数ペア:

[(1, 2758275), (3, 919425), (5, 551655), (9, 306475), (13, 212175), (15, 183885), (23, 119925), (25, 110331), (39, 70725), (41, 67275), (45, 61295), (65, 42435), (69, 39975), (75, 36777), (115, 23985), (117, 23575), (123, 22425), (195, 14145), (205, 13455), (207, 13325), (225, 12259), (299, 9225), (325, 8487), (345, 7995), (369, 7475), (533, 5175), (575, 4797), (585, 4715), (615, 4485), (897, 3075), (943, 2925), (975, 2829), (1025, 2691), (1035, 2665), (1495, 1845), (1599, 1725)]