645951186

素因数分解:

$2^1\times 3^4\times {\mathrm{3987353}}^1$

素因数の和:3987367

約数の個数: 20

約数和(自身を含む): 1447409502

約数和(自身を除く): 801458316

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 3987353, 7974706, 11962059, 23924118, 35886177, 71772354, 107658531, 215317062, 322975593, 645951186]

約数ペア:

[(1, 645951186), (2, 322975593), (3, 215317062), (6, 107658531), (9, 71772354), (18, 35886177), (27, 23924118), (54, 11962059), (81, 7974706), (162, 3987353)]