229904787

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{643991}}^1$

素因数の和:644018

約数の個数: 16

約数和(自身を含む): 370939392

約数和(自身を除く): 141034605

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 643991, 1931973, 4507937, 10947847, 13523811, 32843541, 76634929, 229904787]

約数ペア:

[(1, 229904787), (3, 76634929), (7, 32843541), (17, 13523811), (21, 10947847), (51, 4507937), (119, 1931973), (357, 643991)]