389968209

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{88609}}^1$

素因数の和:88781

約数の個数: 16

約数和(自身を含む): 581281600

約数和(自身を除く): 191313391

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 88609, 265827, 797481, 2392443, 14443267, 43329801, 129989403, 389968209]

約数ペア:

[(1, 389968209), (3, 129989403), (9, 43329801), (27, 14443267), (163, 2392443), (489, 797481), (1467, 265827), (4401, 88609)]