28668525

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{10331}}^1$

素因数の和:10381

約数の個数: 24

約数和(自身を含む): 48684384

約数和(自身を除く): 20015859

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 555, 925, 2775, 10331, 30993, 51655, 154965, 258275, 382247, 774825, 1146741, 1911235, 5733705, 9556175, 28668525]

約数ペア:

[(1, 28668525), (3, 9556175), (5, 5733705), (15, 1911235), (25, 1146741), (37, 774825), (75, 382247), (111, 258275), (185, 154965), (555, 51655), (925, 30993), (2775, 10331)]