20172369

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3347}}^1$

素因数の和:3405

約数の個数: 24

約数和(自身を含む): 32060448

約数和(自身を除く): 11888079

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3347, 6027, 10041, 23429, 70287, 137227, 164003, 411681, 492009, 960589, 2881767, 6724123, 20172369]

約数ペア:

[(1, 20172369), (3, 6724123), (7, 2881767), (21, 960589), (41, 492009), (49, 411681), (123, 164003), (147, 137227), (287, 70287), (861, 23429), (2009, 10041), (3347, 6027)]