217536641

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 274728960

約数和(自身を除く): 57192319

約数列:

[1, 7, 17, 31, 109, 119, 217, 527, 541, 763, 1853, 3379, 3689, 3787, 9197, 12971, 16771, 23653, 57443, 58969, 64379, 117397, 285107, 402101, 412783, 1002473, 1828039, 1995749, 7017311, 12796273, 31076663, 217536641]

約数ペア:

[(1, 217536641), (7, 31076663), (17, 12796273), (31, 7017311), (109, 1995749), (119, 1828039), (217, 1002473), (527, 412783), (541, 402101), (763, 285107), (1853, 117397), (3379, 64379), (3689, 58969), (3787, 57443), (9197, 23653), (12971, 16771)]