25902825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 47663616

約数和(自身を除く): 21760791

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 857, 975, 1209, 2015, 2325, 2571, 4285, 6045, 10075, 11141, 12855, 21425, 26567, 30225, 33423, 55705, 64275, 79701, 132835, 167115, 278525, 345371, 398505, 664175, 835575, 1036113, 1726855, 1992525, 5180565, 8634275, 25902825]

約数ペア:

[(1, 25902825), (3, 8634275), (5, 5180565), (13, 1992525), (15, 1726855), (25, 1036113), (31, 835575), (39, 664175), (65, 398505), (75, 345371), (93, 278525), (155, 167115), (195, 132835), (325, 79701), (403, 64275), (465, 55705), (775, 33423), (857, 30225), (975, 26567), (1209, 21425), (2015, 12855), (2325, 11141), (2571, 10075), (4285, 6045)]