285890391

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{153457}}^1$

素因数の和:153492

約数の個数: 20

約数和(自身を含む): 445642032

約数和(自身を除く): 159751641

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 153457, 460371, 1381113, 3529511, 4143339, 10588533, 12430017, 31765599, 95296797, 285890391]

約数ペア:

[(1, 285890391), (3, 95296797), (9, 31765599), (23, 12430017), (27, 10588533), (69, 4143339), (81, 3529511), (207, 1381113), (621, 460371), (1863, 153457)]