648154755

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{757}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 1149370560

約数和(自身を除く): 501215805

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 359, 477, 757, 795, 1077, 1795, 2271, 2385, 3231, 3785, 5385, 6813, 11355, 16155, 19027, 34065, 40121, 57081, 95135, 120363, 171243, 200605, 271763, 285405, 361089, 601815, 815289, 856215, 1358815, 1805445, 2445867, 4076445, 12229335, 14403439, 43210317, 72017195, 129630951, 216051585, 648154755]

約数ペア:

[(1, 648154755), (3, 216051585), (5, 129630951), (9, 72017195), (15, 43210317), (45, 14403439), (53, 12229335), (159, 4076445), (265, 2445867), (359, 1805445), (477, 1358815), (757, 856215), (795, 815289), (1077, 601815), (1795, 361089), (2271, 285405), (2385, 271763), (3231, 200605), (3785, 171243), (5385, 120363), (6813, 95135), (11355, 57081), (16155, 40121), (19027, 34065)]