199469871

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{6203}}^1$

素因数の和:6612

約数の個数: 20

約数和(自身を含む): 298772232

約数和(自身を除く): 99302361

約数列:

[1, 3, 9, 27, 81, 397, 1191, 3573, 6203, 10719, 18609, 32157, 55827, 167481, 502443, 2462591, 7387773, 22163319, 66489957, 199469871]

約数ペア:

[(1, 199469871), (3, 66489957), (9, 22163319), (27, 7387773), (81, 2462591), (397, 502443), (1191, 167481), (3573, 55827), (6203, 32157), (10719, 18609)]