201922221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 287400960

約数和(自身を除く): 85478739

約数列:

[1, 3, 23, 69, 89, 131, 251, 267, 393, 753, 2047, 3013, 5773, 6141, 9039, 11659, 17319, 22339, 32881, 34977, 67017, 98643, 268157, 513797, 756263, 804471, 1541391, 2268789, 2926409, 8779227, 67307407, 201922221]

約数ペア:

[(1, 201922221), (3, 67307407), (23, 8779227), (69, 2926409), (89, 2268789), (131, 1541391), (251, 804471), (267, 756263), (393, 513797), (753, 268157), (2047, 98643), (3013, 67017), (5773, 34977), (6141, 32881), (9039, 22339), (11659, 17319)]