1387425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1423}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 2472064

約数和(自身を除く): 1084639

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 1423, 4269, 7115, 18499, 21345, 35575, 55497, 92495, 106725, 277485, 462475, 1387425]

約数ペア:

[(1, 1387425), (3, 462475), (5, 277485), (13, 106725), (15, 92495), (25, 55497), (39, 35575), (65, 21345), (75, 18499), (195, 7115), (325, 4269), (975, 1423)]