123228215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{1367}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 163749600

約数和(自身を除く): 40521385

約数列:

[1, 5, 11, 55, 121, 149, 605, 745, 1367, 1639, 6835, 8195, 15037, 18029, 75185, 90145, 165407, 203683, 827035, 1018415, 2240513, 11202565, 24645643, 123228215]

約数ペア:

[(1, 123228215), (5, 24645643), (11, 11202565), (55, 2240513), (121, 1018415), (149, 827035), (605, 203683), (745, 165407), (1367, 90145), (1639, 75185), (6835, 18029), (8195, 15037)]