64987263

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1637}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 102722256

約数和(自身を除く): 37734993

約数列:

[1, 3, 9, 11, 33, 99, 401, 1203, 1637, 3609, 4411, 4911, 13233, 14733, 18007, 39699, 54021, 162063, 656437, 1969311, 5907933, 7220807, 21662421, 64987263]

約数ペア:

[(1, 64987263), (3, 21662421), (9, 7220807), (11, 5907933), (33, 1969311), (99, 656437), (401, 162063), (1203, 54021), (1637, 39699), (3609, 18007), (4411, 14733), (4911, 13233)]