56490813

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1471}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 86800896

約数和(自身を除く): 30310083

約数列:

[1, 3, 9, 17, 51, 153, 251, 753, 1471, 2259, 4267, 4413, 12801, 13239, 25007, 38403, 75021, 225063, 369221, 1107663, 3322989, 6276757, 18830271, 56490813]

約数ペア:

[(1, 56490813), (3, 18830271), (9, 6276757), (17, 3322989), (51, 1107663), (153, 369221), (251, 225063), (753, 75021), (1471, 38403), (2259, 25007), (4267, 13239), (4413, 12801)]