3939915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 7280640

約数和(自身を除く): 3340725

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 157, 239, 471, 717, 785, 1099, 1195, 1673, 2355, 3297, 3585, 5019, 5495, 8365, 16485, 25095, 37523, 112569, 187615, 262661, 562845, 787983, 1313305, 3939915]

約数ペア:

[(1, 3939915), (3, 1313305), (5, 787983), (7, 562845), (15, 262661), (21, 187615), (35, 112569), (105, 37523), (157, 25095), (239, 16485), (471, 8365), (717, 5495), (785, 5019), (1099, 3585), (1195, 3297), (1673, 2355)]