31136553

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6961}}^1$

素因数の和:7045

約数の個数: 24

約数和(自身を含む): 52131456

約数和(自身を除く): 20994903

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6961, 20883, 48727, 62649, 146181, 438543, 494231, 1482693, 3459617, 4448079, 10378851, 31136553]

約数ペア:

[(1, 31136553), (3, 10378851), (7, 4448079), (9, 3459617), (21, 1482693), (63, 494231), (71, 438543), (213, 146181), (497, 62649), (639, 48727), (1491, 20883), (4473, 6961)]