85970715

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 140887296

約数和(自身を除く): 54916581

約数列:

[1, 3, 5, 15, 67, 131, 201, 335, 393, 653, 655, 1005, 1959, 1965, 3265, 8777, 9795, 26331, 43751, 43885, 85543, 131253, 131655, 218755, 256629, 427715, 656265, 1283145, 5731381, 17194143, 28656905, 85970715]

約数ペア:

[(1, 85970715), (3, 28656905), (5, 17194143), (15, 5731381), (67, 1283145), (131, 656265), (201, 427715), (335, 256629), (393, 218755), (653, 131655), (655, 131253), (1005, 85543), (1959, 43885), (1965, 43751), (3265, 26331), (8777, 9795)]