8540025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 16040640

約数和(自身を除く): 7500615

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 461, 475, 741, 975, 1235, 1383, 1425, 2305, 3705, 5993, 6175, 6915, 8759, 11525, 17979, 18525, 26277, 29965, 34575, 43795, 89895, 113867, 131385, 149825, 218975, 341601, 449475, 569335, 656925, 1708005, 2846675, 8540025]

約数ペア:

[(1, 8540025), (3, 2846675), (5, 1708005), (13, 656925), (15, 569335), (19, 449475), (25, 341601), (39, 218975), (57, 149825), (65, 131385), (75, 113867), (95, 89895), (195, 43795), (247, 34575), (285, 29965), (325, 26277), (461, 18525), (475, 17979), (741, 11525), (975, 8759), (1235, 6915), (1383, 6175), (1425, 5993), (2305, 3705)]