128704815

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15629}}^1$

素因数の和:15704

約数の個数: 32

約数和(自身を含む): 232574400

約数和(自身を除く): 103869585

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 15629, 46887, 78145, 140661, 234435, 421983, 703305, 953369, 2109915, 2860107, 4766845, 8580321, 14300535, 25740963, 42901605, 128704815]

約数ペア:

[(1, 128704815), (3, 42901605), (5, 25740963), (9, 14300535), (15, 8580321), (27, 4766845), (45, 2860107), (61, 2109915), (135, 953369), (183, 703305), (305, 421983), (549, 234435), (915, 140661), (1647, 78145), (2745, 46887), (8235, 15629)]