213568745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{1777}}^1$

素因数の和:1881

約数の個数: 24

約数和(自身を含む): 282723336

約数和(自身を除く): 69154591

約数列:

[1, 5, 13, 43, 65, 215, 559, 1777, 1849, 2795, 8885, 9245, 23101, 24037, 76411, 115505, 120185, 382055, 993343, 3285673, 4966715, 16428365, 42713749, 213568745]

約数ペア:

[(1, 213568745), (5, 42713749), (13, 16428365), (43, 4966715), (65, 3285673), (215, 993343), (559, 382055), (1777, 120185), (1849, 115505), (2795, 76411), (8885, 24037), (9245, 23101)]