248551425

素因数分解:

$3^2\times 5^2\times {\mathrm{857}}^1\times {\mathrm{1289}}^1$

素因数の和:2162

約数の個数: 36

約数和(自身を含む): 446048460

約数和(自身を除く): 197497035

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 857, 1289, 2571, 3867, 4285, 6445, 7713, 11601, 12855, 19335, 21425, 32225, 38565, 58005, 64275, 96675, 192825, 290025, 1104673, 3314019, 5523365, 9942057, 16570095, 27616825, 49710285, 82850475, 248551425]

約数ペア:

[(1, 248551425), (3, 82850475), (5, 49710285), (9, 27616825), (15, 16570095), (25, 9942057), (45, 5523365), (75, 3314019), (225, 1104673), (857, 290025), (1289, 192825), (2571, 96675), (3867, 64275), (4285, 58005), (6445, 38565), (7713, 32225), (11601, 21425), (12855, 19335)]