7991115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2587

約数の個数: 32

約数和(自身を含む): 14688000

約数和(自身を除く): 6696885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 2549, 3135, 7647, 12745, 28039, 38235, 48431, 84117, 140195, 145293, 242155, 420585, 532741, 726465, 1598223, 2663705, 7991115]

約数ペア:

[(1, 7991115), (3, 2663705), (5, 1598223), (11, 726465), (15, 532741), (19, 420585), (33, 242155), (55, 145293), (57, 140195), (95, 84117), (165, 48431), (209, 38235), (285, 28039), (627, 12745), (1045, 7647), (2549, 3135)]