640053213

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{4889}}^1$

素因数の和:5077

約数の個数: 24

約数和(自身を含む): 912747840

約数和(自身を除く): 272694627

約数列:

[1, 3, 17, 51, 151, 289, 453, 867, 2567, 4889, 7701, 14667, 43639, 83113, 130917, 249339, 738239, 1412921, 2214717, 4238763, 12550063, 37650189, 213351071, 640053213]

約数ペア:

[(1, 640053213), (3, 213351071), (17, 37650189), (51, 12550063), (151, 4238763), (289, 2214717), (453, 1412921), (867, 738239), (2567, 249339), (4889, 130917), (7701, 83113), (14667, 43639)]