121640985

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19447}}^1$

素因数の和:19597

約数の個数: 24

約数和(自身を含む): 212372160

約数和(自身を除く): 90731175

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 19447, 58341, 97235, 175023, 291705, 875115, 2703133, 8109399, 13515665, 24328197, 40546995, 121640985]

約数ペア:

[(1, 121640985), (3, 40546995), (5, 24328197), (9, 13515665), (15, 8109399), (45, 2703133), (139, 875115), (417, 291705), (695, 175023), (1251, 97235), (2085, 58341), (6255, 19447)]