1054375

素因数分解:

$5^4\times 7^1\times {\mathrm{241}}^1$

素因数の和:268

約数の個数: 20

約数和(自身を含む): 1512016

約数和(自身を除く): 457641

約数列:

[1, 5, 7, 25, 35, 125, 175, 241, 625, 875, 1205, 1687, 4375, 6025, 8435, 30125, 42175, 150625, 210875, 1054375]

約数ペア:

[(1, 1054375), (5, 210875), (7, 150625), (25, 42175), (35, 30125), (125, 8435), (175, 6025), (241, 4375), (625, 1687), (875, 1205)]