890673819

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{2137}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 1379266560

約数和(自身を除く): 488592741

約数列:

[1, 3, 7, 21, 89, 223, 267, 623, 669, 1561, 1869, 2137, 4683, 6411, 14959, 19847, 44877, 59541, 138929, 190193, 416787, 476551, 570579, 1331351, 1429653, 3335857, 3994053, 10007571, 42413039, 127239117, 296891273, 890673819]

約数ペア:

[(1, 890673819), (3, 296891273), (7, 127239117), (21, 42413039), (89, 10007571), (223, 3994053), (267, 3335857), (623, 1429653), (669, 1331351), (1561, 570579), (1869, 476551), (2137, 416787), (4683, 190193), (6411, 138929), (14959, 59541), (19847, 44877)]