231255

素因数分解:

$3^4\times 5^1\times {\mathrm{571}}^1$

素因数の和:588

約数の個数: 20

約数和(自身を含む): 415272

約数和(自身を除く): 184017

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 571, 1713, 2855, 5139, 8565, 15417, 25695, 46251, 77085, 231255]

約数ペア:

[(1, 231255), (3, 77085), (5, 46251), (9, 25695), (15, 15417), (27, 8565), (45, 5139), (81, 2855), (135, 1713), (405, 571)]