89040189

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 138608640

約数和(自身を除く): 49568451

約数列:

[1, 3, 7, 21, 79, 191, 237, 281, 553, 573, 843, 1337, 1659, 1967, 4011, 5901, 15089, 22199, 45267, 53671, 66597, 105623, 155393, 161013, 316869, 375697, 466179, 1127091, 4240009, 12720027, 29680063, 89040189]

約数ペア:

[(1, 89040189), (3, 29680063), (7, 12720027), (21, 4240009), (79, 1127091), (191, 466179), (237, 375697), (281, 316869), (553, 161013), (573, 155393), (843, 105623), (1337, 66597), (1659, 53671), (1967, 45267), (4011, 22199), (5901, 15089)]