81350766

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{645641}}^1$

素因数の和:645656

約数の個数: 24

約数和(自身を含む): 201440304

約数和(自身を除く): 120089538

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 645641, 1291282, 1936923, 3873846, 4519487, 5810769, 9038974, 11621538, 13558461, 27116922, 40675383, 81350766]

約数ペア:

[(1, 81350766), (2, 40675383), (3, 27116922), (6, 13558461), (7, 11621538), (9, 9038974), (14, 5810769), (18, 4519487), (21, 3873846), (42, 1936923), (63, 1291282), (126, 645641)]