20131990137

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13893713}}^1$

素因数の和:13893749

約数の個数: 24

約数和(自身を含む): 34678710144

約数和(自身を除く): 14546720007

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13893713, 41681139, 97255991, 125043417, 291767973, 319555399, 875303919, 958666197, 2236887793, 2875998591, 6710663379, 20131990137]

約数ペア:

[(1, 20131990137), (3, 6710663379), (7, 2875998591), (9, 2236887793), (21, 958666197), (23, 875303919), (63, 319555399), (69, 291767973), (161, 125043417), (207, 97255991), (483, 41681139), (1449, 13893713)]