7780856775

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{593}}^1\times {\mathrm{1277}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 12990266784

約数和(自身を除く): 5209410009

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 593, 685, 1277, 1779, 2055, 2965, 3425, 3831, 6385, 8895, 10275, 14825, 19155, 31925, 44475, 81241, 95775, 174949, 243723, 406205, 524847, 757261, 874745, 1218615, 2031025, 2271783, 2624235, 3786305, 4373725, 6093075, 11358915, 13121175, 18931525, 56794575, 103744757, 311234271, 518723785, 1556171355, 2593618925, 7780856775]

約数ペア:

[(1, 7780856775), (3, 2593618925), (5, 1556171355), (15, 518723785), (25, 311234271), (75, 103744757), (137, 56794575), (411, 18931525), (593, 13121175), (685, 11358915), (1277, 6093075), (1779, 4373725), (2055, 3786305), (2965, 2624235), (3425, 2271783), (3831, 2031025), (6385, 1218615), (8895, 874745), (10275, 757261), (14825, 524847), (19155, 406205), (31925, 243723), (44475, 174949), (81241, 95775)]