156931089

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393311}}^1$

素因数の和:393340

約数の個数: 16

約数和(自身を含む): 251719680

約数和(自身を除く): 94788591

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393311, 1179933, 2753177, 7472909, 8259531, 22418727, 52310363, 156931089]

約数ペア:

[(1, 156931089), (3, 52310363), (7, 22418727), (19, 8259531), (21, 7472909), (57, 2753177), (133, 1179933), (399, 393311)]