3978626445

素因数分解:

$3^4\times 5^1\times {\mathrm{9823769}}^1$

素因数の和:9823786

約数の個数: 20

約数和(自身を含む): 7132057020

約数和(自身を除く): 3153430575

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9823769, 29471307, 49118845, 88413921, 147356535, 265241763, 442069605, 795725289, 1326208815, 3978626445]

約数ペア:

[(1, 3978626445), (3, 1326208815), (5, 795725289), (9, 442069605), (15, 265241763), (27, 147356535), (45, 88413921), (81, 49118845), (135, 29471307), (405, 9823769)]