398942715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{4229}}^1$

素因数の和:4587

約数の個数: 32

約数和(自身を含む): 674092800

約数和(自身を除く): 275150085

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 331, 993, 1655, 4229, 4965, 6289, 12687, 18867, 21145, 31445, 63435, 80351, 94335, 241053, 401755, 1205265, 1399799, 4199397, 6998995, 20996985, 26596181, 79788543, 132980905, 398942715]

約数ペア:

[(1, 398942715), (3, 132980905), (5, 79788543), (15, 26596181), (19, 20996985), (57, 6998995), (95, 4199397), (285, 1399799), (331, 1205265), (993, 401755), (1655, 241053), (4229, 94335), (4965, 80351), (6289, 63435), (12687, 31445), (18867, 21145)]