81378

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 198720

約数和(自身を除く): 117342

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 137, 198, 274, 297, 411, 594, 822, 1233, 1507, 2466, 3014, 3699, 4521, 7398, 9042, 13563, 27126, 40689, 81378]

約数ペア:

[(1, 81378), (2, 40689), (3, 27126), (6, 13563), (9, 9042), (11, 7398), (18, 4521), (22, 3699), (27, 3014), (33, 2466), (54, 1507), (66, 1233), (99, 822), (137, 594), (198, 411), (274, 297)]