25215555

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 42006528

約数和(自身を除く): 16790973

約数列:

[1, 3, 5, 15, 31, 93, 155, 211, 257, 465, 633, 771, 1055, 1285, 3165, 3855, 6541, 7967, 19623, 23901, 32705, 39835, 54227, 98115, 119505, 162681, 271135, 813405, 1681037, 5043111, 8405185, 25215555]

約数ペア:

[(1, 25215555), (3, 8405185), (5, 5043111), (15, 1681037), (31, 813405), (93, 271135), (155, 162681), (211, 119505), (257, 98115), (465, 54227), (633, 39835), (771, 32705), (1055, 23901), (1285, 19623), (3165, 7967), (3855, 6541)]