644962941

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{63587}}^1$

素因数の和:63630

約数の個数: 36

約数和(自身を含む): 1130848992

約数和(自身を除く): 485886051

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 63587, 190761, 445109, 572283, 1335327, 1462501, 3115763, 4005981, 4387503, 9347289, 10237507, 13162509, 28041867, 30712521, 71662549, 92137563, 214987647, 644962941]

約数ペア:

[(1, 644962941), (3, 214987647), (7, 92137563), (9, 71662549), (21, 30712521), (23, 28041867), (49, 13162509), (63, 10237507), (69, 9347289), (147, 4387503), (161, 4005981), (207, 3115763), (441, 1462501), (483, 1335327), (1127, 572283), (1449, 445109), (3381, 190761), (10143, 63587)]