86465895

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 141419520

約数和(自身を除く): 54953625

約数列:

[1, 3, 5, 15, 79, 131, 237, 393, 395, 557, 655, 1185, 1671, 1965, 2785, 8355, 10349, 31047, 44003, 51745, 72967, 132009, 155235, 218901, 220015, 364835, 660045, 1094505, 5764393, 17293179, 28821965, 86465895]

約数ペア:

[(1, 86465895), (3, 28821965), (5, 17293179), (15, 5764393), (79, 1094505), (131, 660045), (237, 364835), (393, 220015), (395, 218901), (557, 155235), (655, 132009), (1185, 72967), (1671, 51745), (1965, 44003), (2785, 31047), (8355, 10349)]