315921

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 16

約数和(自身を含む): 450560

約数和(自身を除く): 134639

約数列:

[1, 3, 31, 43, 79, 93, 129, 237, 1333, 2449, 3397, 3999, 7347, 10191, 105307, 315921]

約数ペア:

[(1, 315921), (3, 105307), (31, 10191), (43, 7347), (79, 3999), (93, 3397), (129, 2449), (237, 1333)]