213177961

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 228602880

約数和(自身を除く): 15424919

約数列:

[1, 23, 43, 439, 491, 989, 10097, 11293, 18877, 21113, 215549, 434171, 485599, 4957627, 9268607, 213177961]

約数ペア:

[(1, 213177961), (23, 9268607), (43, 4957627), (439, 485599), (491, 434171), (989, 215549), (10097, 21113), (11293, 18877)]