25711785

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 49121280

約数和(自身を除く): 23409495

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 127, 165, 381, 409, 495, 635, 1143, 1227, 1397, 1905, 2045, 3681, 4191, 4499, 5715, 6135, 6985, 12573, 13497, 18405, 20955, 22495, 40491, 51943, 62865, 67485, 155829, 202455, 259715, 467487, 571373, 779145, 1714119, 2337435, 2856865, 5142357, 8570595, 25711785]

約数ペア:

[(1, 25711785), (3, 8570595), (5, 5142357), (9, 2856865), (11, 2337435), (15, 1714119), (33, 779145), (45, 571373), (55, 467487), (99, 259715), (127, 202455), (165, 155829), (381, 67485), (409, 62865), (495, 51943), (635, 40491), (1143, 22495), (1227, 20955), (1397, 18405), (1905, 13497), (2045, 12573), (3681, 6985), (4191, 6135), (4499, 5715)]