72515799

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2131}}^1$

素因数の和:2355

約数の個数: 24

約数和(自身を含む): 110864000

約数和(自身を除く): 38348201

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 1791, 2131, 3781, 6393, 11343, 19179, 34029, 40489, 121467, 364401, 424069, 1272207, 3816621, 8057311, 24171933, 72515799]

約数ペア:

[(1, 72515799), (3, 24171933), (9, 8057311), (19, 3816621), (57, 1272207), (171, 424069), (199, 364401), (597, 121467), (1791, 40489), (2131, 34029), (3781, 19179), (6393, 11343)]