28890525

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 50889600

約数和(自身を除く): 21999075

約数列:

[1, 3, 5, 15, 25, 29, 37, 75, 87, 111, 145, 185, 359, 435, 555, 725, 925, 1073, 1077, 1795, 2175, 2775, 3219, 5365, 5385, 8975, 10411, 13283, 16095, 26825, 26925, 31233, 39849, 52055, 66415, 80475, 156165, 199245, 260275, 332075, 385207, 780825, 996225, 1155621, 1926035, 5778105, 9630175, 28890525]

約数ペア:

[(1, 28890525), (3, 9630175), (5, 5778105), (15, 1926035), (25, 1155621), (29, 996225), (37, 780825), (75, 385207), (87, 332075), (111, 260275), (145, 199245), (185, 156165), (359, 80475), (435, 66415), (555, 52055), (725, 39849), (925, 31233), (1073, 26925), (1077, 26825), (1795, 16095), (2175, 13283), (2775, 10411), (3219, 8975), (5365, 5385)]