17220021

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9011}}^1$

素因数の和:9041

約数の個数: 24

約数和(自身を含む): 28766304

約数和(自身を除く): 11546283

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9011, 27033, 63077, 117143, 189231, 351429, 441539, 820001, 1324617, 2460003, 5740007, 17220021]

約数ペア:

[(1, 17220021), (3, 5740007), (7, 2460003), (13, 1324617), (21, 820001), (39, 441539), (49, 351429), (91, 189231), (147, 117143), (273, 63077), (637, 27033), (1911, 9011)]