213732015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{2647}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 391480320

約数和(自身を除く): 177748305

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 769, 2307, 2647, 3845, 5383, 7941, 11535, 13235, 16149, 18529, 26915, 39705, 55587, 80745, 92645, 277935, 2035543, 6106629, 10177715, 14248801, 30533145, 42746403, 71244005, 213732015]

約数ペア:

[(1, 213732015), (3, 71244005), (5, 42746403), (7, 30533145), (15, 14248801), (21, 10177715), (35, 6106629), (105, 2035543), (769, 277935), (2307, 92645), (2647, 80745), (3845, 55587), (5383, 39705), (7941, 26915), (11535, 18529), (13235, 16149)]