669647571

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{2131}}^1$

素因数の和:2339

約数の個数: 32

約数和(自身を含む): 972192000

約数和(自身を除く): 302544429

約数列:

[1, 3, 19, 37, 57, 111, 149, 447, 703, 2109, 2131, 2831, 5513, 6393, 8493, 16539, 40489, 78847, 104747, 121467, 236541, 314241, 317519, 952557, 1498093, 4494279, 6032861, 11748203, 18098583, 35244609, 223215857, 669647571]

約数ペア:

[(1, 669647571), (3, 223215857), (19, 35244609), (37, 18098583), (57, 11748203), (111, 6032861), (149, 4494279), (447, 1498093), (703, 952557), (2109, 317519), (2131, 314241), (2831, 236541), (5513, 121467), (6393, 104747), (8493, 78847), (16539, 40489)]