389966553

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1481}}^1\times {\mathrm{1721}}^1$

素因数の和:3225

約数の個数: 24

約数和(自身を含む): 597168936

約数和(自身を除く): 207202383

約数列:

[1, 3, 9, 17, 51, 153, 1481, 1721, 4443, 5163, 13329, 15489, 25177, 29257, 75531, 87771, 226593, 263313, 2548801, 7646403, 22939209, 43329617, 129988851, 389966553]

約数ペア:

[(1, 389966553), (3, 129988851), (9, 43329617), (17, 22939209), (51, 7646403), (153, 2548801), (1481, 263313), (1721, 226593), (4443, 87771), (5163, 75531), (13329, 29257), (15489, 25177)]