420875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:72

約数の個数: 32

約数和(自身を含む): 663936

約数和(自身を除く): 243061

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 125, 175, 185, 259, 325, 455, 481, 875, 925, 1295, 1625, 2275, 2405, 3367, 4625, 6475, 11375, 12025, 16835, 32375, 60125, 84175, 420875]

約数ペア:

[(1, 420875), (5, 84175), (7, 60125), (13, 32375), (25, 16835), (35, 12025), (37, 11375), (65, 6475), (91, 4625), (125, 3367), (175, 2405), (185, 2275), (259, 1625), (325, 1295), (455, 925), (481, 875)]