81340218

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{145771}}^1$

素因数の和:145810

約数の個数: 24

約数和(自身を含む): 181923456

約数和(自身を除く): 100583238

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 145771, 291542, 437313, 874626, 1311939, 2623878, 4518901, 9037802, 13556703, 27113406, 40670109, 81340218]

約数ペア:

[(1, 81340218), (2, 40670109), (3, 27113406), (6, 13556703), (9, 9037802), (18, 4518901), (31, 2623878), (62, 1311939), (93, 874626), (186, 437313), (279, 291542), (558, 145771)]