266895

素因数分解:

$3^4\times 5^1\times {\mathrm{659}}^1$

素因数の和:676

約数の個数: 20

約数和(自身を含む): 479160

約数和(自身を除く): 212265

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 659, 1977, 3295, 5931, 9885, 17793, 29655, 53379, 88965, 266895]

約数ペア:

[(1, 266895), (3, 88965), (5, 53379), (9, 29655), (15, 17793), (27, 9885), (45, 5931), (81, 3295), (135, 1977), (405, 659)]