208355931

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{54217}}^1$

素因数の和:54291

約数の個数: 24

約数和(自身を含む): 349597664

約数和(自身を除く): 141241733

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 54217, 162651, 379519, 487953, 1138557, 3307237, 3415671, 9921711, 23150659, 29765133, 69451977, 208355931]

約数ペア:

[(1, 208355931), (3, 69451977), (7, 29765133), (9, 23150659), (21, 9921711), (61, 3415671), (63, 3307237), (183, 1138557), (427, 487953), (549, 379519), (1281, 162651), (3843, 54217)]