139388375

素因数分解:

$5^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{661}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 199934592

約数和(自身を除く): 60546217

約数列:

[1, 5, 7, 25, 35, 125, 175, 241, 661, 875, 1205, 1687, 3305, 4627, 6025, 8435, 16525, 23135, 30125, 42175, 82625, 115675, 159301, 210875, 578375, 796505, 1115107, 3982525, 5575535, 19912625, 27877675, 139388375]

約数ペア:

[(1, 139388375), (5, 27877675), (7, 19912625), (25, 5575535), (35, 3982525), (125, 1115107), (175, 796505), (241, 578375), (661, 210875), (875, 159301), (1205, 115675), (1687, 82625), (3305, 42175), (4627, 30125), (6025, 23135), (8435, 16525)]