87972723

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{47221}}^1$

素因数の和:47256

約数の個数: 20

約数和(自身を含む): 137132688

約数和(自身を除く): 49159965

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 47221, 141663, 424989, 1086083, 1274967, 3258249, 3824901, 9774747, 29324241, 87972723]

約数ペア:

[(1, 87972723), (3, 29324241), (9, 9774747), (23, 3824901), (27, 3258249), (69, 1274967), (81, 1086083), (207, 424989), (621, 141663), (1863, 47221)]