291219777

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{2729}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 429287040

約数和(自身を除く): 138067263

約数列:

[1, 3, 9, 71, 167, 213, 501, 639, 1503, 2729, 8187, 11857, 24561, 35571, 106713, 193759, 455743, 581277, 1367229, 1743831, 4101687, 32357753, 97073259, 291219777]

約数ペア:

[(1, 291219777), (3, 97073259), (9, 32357753), (71, 4101687), (167, 1743831), (213, 1367229), (501, 581277), (639, 455743), (1503, 193759), (2729, 106713), (8187, 35571), (11857, 24561)]