221706585

素因数分解:

$3^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2917}}^1$

素因数の和:3494

約数の個数: 32

約数和(自身を含む): 394980480

約数和(自身を除く): 173273895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 563, 1689, 2815, 2917, 5067, 8445, 8751, 14585, 15201, 25335, 26253, 43755, 76005, 78759, 131265, 393795, 1642271, 4926813, 8211355, 14780439, 24634065, 44341317, 73902195, 221706585]

約数ペア:

[(1, 221706585), (3, 73902195), (5, 44341317), (9, 24634065), (15, 14780439), (27, 8211355), (45, 4926813), (135, 1642271), (563, 393795), (1689, 131265), (2815, 78759), (2917, 76005), (5067, 43755), (8445, 26253), (8751, 25335), (14585, 15201)]