212208339

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{42281}}^1$

素因数の和:42530

約数の個数: 16

約数和(自身を含む): 324725760

約数和(自身を除く): 112517421

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 42281, 126843, 295967, 887901, 10105159, 30315477, 70736113, 212208339]

約数ペア:

[(1, 212208339), (3, 70736113), (7, 30315477), (21, 10105159), (239, 887901), (717, 295967), (1673, 126843), (5019, 42281)]