212142015

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{64579}}^1$

素因数の和:64663

約数の個数: 24

約数和(自身を含む): 372755760

約数和(自身を除く): 160613745

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 64579, 193737, 322895, 581211, 968685, 2906055, 4714267, 14142801, 23571335, 42428403, 70714005, 212142015]

約数ペア:

[(1, 212142015), (3, 70714005), (5, 42428403), (9, 23571335), (15, 14142801), (45, 4714267), (73, 2906055), (219, 968685), (365, 581211), (657, 322895), (1095, 193737), (3285, 64579)]