1861359

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 2617440

約数和(自身を除く): 756081

約数列:

[1, 3, 37, 41, 111, 123, 409, 1227, 1517, 4551, 15133, 16769, 45399, 50307, 620453, 1861359]

約数ペア:

[(1, 1861359), (3, 620453), (37, 50307), (41, 45399), (111, 16769), (123, 15133), (409, 4551), (1227, 1517)]