71997981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3271}}^1$

素因数の和:3337

約数の個数: 32

約数和(自身を含む): 113080320

約数和(自身を除く): 41082339

約数列:

[1, 3, 11, 23, 29, 33, 69, 87, 253, 319, 667, 759, 957, 2001, 3271, 7337, 9813, 22011, 35981, 75233, 94859, 107943, 225699, 284577, 827563, 1043449, 2181757, 2482689, 3130347, 6545271, 23999327, 71997981]

約数ペア:

[(1, 71997981), (3, 23999327), (11, 6545271), (23, 3130347), (29, 2482689), (33, 2181757), (69, 1043449), (87, 827563), (253, 284577), (319, 225699), (667, 107943), (759, 94859), (957, 75233), (2001, 35981), (3271, 22011), (7337, 9813)]