636778881

素因数分解:

$3^3\times {\mathrm{1097}}^1\times {\mathrm{21499}}^1$

素因数の和:22605

約数の個数: 16

約数和(自身を含む): 944280000

約数和(自身を除く): 307501119

約数列:

[1, 3, 9, 27, 1097, 3291, 9873, 21499, 29619, 64497, 193491, 580473, 23584403, 70753209, 212259627, 636778881]

約数ペア:

[(1, 636778881), (3, 212259627), (9, 70753209), (27, 23584403), (1097, 580473), (3291, 193491), (9873, 64497), (21499, 29619)]