171996993

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3541}}^1$

素因数の和:3814

約数の個数: 32

約数和(自身を含む): 292427520

約数和(自身を除く): 120430527

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 771, 1799, 2313, 3541, 5397, 6939, 10623, 16191, 24787, 31869, 48573, 74361, 95607, 223083, 669249, 910037, 2730111, 6370259, 8190333, 19110777, 24570999, 57332331, 171996993]

約数ペア:

[(1, 171996993), (3, 57332331), (7, 24570999), (9, 19110777), (21, 8190333), (27, 6370259), (63, 2730111), (189, 910037), (257, 669249), (771, 223083), (1799, 95607), (2313, 74361), (3541, 48573), (5397, 31869), (6939, 24787), (10623, 16191)]