128702985

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{140659}}^1$

素因数の和:140728

約数の個数: 16

約数和(自身を含む): 209302080

約数和(自身を除く): 80599095

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 140659, 421977, 703295, 2109885, 8580199, 25740597, 42900995, 128702985]

約数ペア:

[(1, 128702985), (3, 42900995), (5, 25740597), (15, 8580199), (61, 2109885), (183, 703295), (305, 421977), (915, 140659)]