81615366

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647741}}^1$

素因数の和:647756

約数の個数: 24

約数和(自身を含む): 202095504

約数和(自身を除く): 120480138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647741, 1295482, 1943223, 3886446, 4534187, 5829669, 9068374, 11659338, 13602561, 27205122, 40807683, 81615366]

約数ペア:

[(1, 81615366), (2, 40807683), (3, 27205122), (6, 13602561), (7, 11659338), (9, 9068374), (14, 5829669), (18, 4534187), (21, 3886446), (42, 1943223), (63, 1295482), (126, 647741)]