81904563

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2789}}^1$

素因数の和:3059

約数の個数: 24

約数和(自身を含む): 127960560

約数和(自身を除く): 46055997

約数列:

[1, 3, 9, 13, 39, 117, 251, 753, 2259, 2789, 3263, 8367, 9789, 25101, 29367, 36257, 108771, 326313, 700039, 2100117, 6300351, 9100507, 27301521, 81904563]

約数ペア:

[(1, 81904563), (3, 27301521), (9, 9100507), (13, 6300351), (39, 2100117), (117, 700039), (251, 326313), (753, 108771), (2259, 36257), (2789, 29367), (3263, 25101), (8367, 9789)]