211315395

素因数分解:

$3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{20809}}^1$

素因数の和:21494

約数の個数: 16

約数和(自身を含む): 338620320

約数和(自身を除く): 127304925

約数列:

[1, 3, 5, 15, 677, 2031, 3385, 10155, 20809, 62427, 104045, 312135, 14087693, 42263079, 70438465, 211315395]

約数ペア:

[(1, 211315395), (3, 70438465), (5, 42263079), (15, 14087693), (677, 312135), (2031, 104045), (3385, 62427), (10155, 20809)]