68942013

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{172787}}^1$

素因数の和:172816

約数の個数: 16

約数和(自身を含む): 110584320

約数和(自身を除く): 41642307

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 172787, 518361, 1209509, 3282953, 3628527, 9848859, 22980671, 68942013]

約数ペア:

[(1, 68942013), (3, 22980671), (7, 9848859), (19, 3628527), (21, 3282953), (57, 1209509), (133, 518361), (399, 172787)]