25053705

素因数分解:

$3^4\times 5^1\times {\mathrm{61861}}^1$

素因数の和:61878

約数の個数: 20

約数和(自身を含む): 44911812

約数和(自身を除く): 19858107

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 61861, 185583, 309305, 556749, 927915, 1670247, 2783745, 5010741, 8351235, 25053705]

約数ペア:

[(1, 25053705), (3, 8351235), (5, 5010741), (9, 2783745), (15, 1670247), (27, 927915), (45, 556749), (81, 309305), (135, 185583), (405, 61861)]