81471879

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{73597}}^1$

素因数の和:73647

約数の個数: 16

約数和(自身を含む): 123644640

約数和(自身を除く): 42172761

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 73597, 220791, 662373, 1987119, 3017477, 9052431, 27157293, 81471879]

約数ペア:

[(1, 81471879), (3, 27157293), (9, 9052431), (27, 3017477), (41, 1987119), (123, 662373), (369, 220791), (1107, 73597)]