306538071

素因数分解:

$3^1\times 7^4\times {\mathrm{42557}}^1$

素因数の和:42588

約数の個数: 20

約数和(自身を含む): 476819832

約数和(自身を除く): 170281761

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 42557, 127671, 297899, 893697, 2085293, 6255879, 14597051, 43791153, 102179357, 306538071]

約数ペア:

[(1, 306538071), (3, 102179357), (7, 43791153), (21, 14597051), (49, 6255879), (147, 2085293), (343, 893697), (1029, 297899), (2401, 127671), (7203, 42557)]