121698775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{40231}}^1$

素因数の和:40263

約数の個数: 18

約数和(自身を含む): 165876536

約数和(自身を除く): 44177761

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 40231, 201155, 442541, 1005775, 2212705, 4867951, 11063525, 24339755, 121698775]

約数ペア:

[(1, 121698775), (5, 24339755), (11, 11063525), (25, 4867951), (55, 2212705), (121, 1005775), (275, 442541), (605, 201155), (3025, 40231)]