2455845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 4730880

約数和(自身を除く): 2275035

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1231, 1995, 3693, 6155, 8617, 18465, 23389, 25851, 43085, 70167, 116945, 129255, 163723, 350835, 491169, 818615, 2455845]

約数ペア:

[(1, 2455845), (3, 818615), (5, 491169), (7, 350835), (15, 163723), (19, 129255), (21, 116945), (35, 70167), (57, 43085), (95, 25851), (105, 23389), (133, 18465), (285, 8617), (399, 6155), (665, 3693), (1231, 1995)]