71397261

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{15647}}^1$

素因数の和:15682

約数の個数: 24

約数和(自身を含む): 114543360

約数和(自身を除く): 43146099

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 15647, 46941, 140823, 203411, 422469, 610233, 1830699, 2644343, 5492097, 7933029, 23799087, 71397261]

約数ペア:

[(1, 71397261), (3, 23799087), (9, 7933029), (13, 5492097), (27, 2644343), (39, 1830699), (117, 610233), (169, 422469), (351, 203411), (507, 140823), (1521, 46941), (4563, 15647)]