42640875

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1307}}^1$

素因数の和:1357

約数の個数: 48

約数和(自身を含む): 79578720

約数和(自身を除く): 36937845

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 725, 1125, 1305, 1307, 2175, 3625, 3921, 6525, 6535, 10875, 11763, 19605, 32625, 32675, 37903, 58815, 98025, 113709, 163375, 189515, 294075, 341127, 490125, 568545, 947575, 1470375, 1705635, 2842725, 4737875, 8528175, 14213625, 42640875]

約数ペア:

[(1, 42640875), (3, 14213625), (5, 8528175), (9, 4737875), (15, 2842725), (25, 1705635), (29, 1470375), (45, 947575), (75, 568545), (87, 490125), (125, 341127), (145, 294075), (225, 189515), (261, 163375), (375, 113709), (435, 98025), (725, 58815), (1125, 37903), (1305, 32675), (1307, 32625), (2175, 19605), (3625, 11763), (3921, 10875), (6525, 6535)]