1222209

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 20

約数和(自身を含む): 1858560

約数和(自身を除く): 636351

約数列:

[1, 3, 9, 27, 79, 81, 191, 237, 573, 711, 1719, 2133, 5157, 6399, 15089, 15471, 45267, 135801, 407403, 1222209]

約数ペア:

[(1, 1222209), (3, 407403), (9, 135801), (27, 45267), (79, 15471), (81, 15089), (191, 6399), (237, 5157), (573, 2133), (711, 1719)]