17797731

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2953}}^1$

素因数の和:3011

約数の個数: 24

約数和(自身を含む): 28287504

約数和(自身を除く): 10489773

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 2953, 6027, 8859, 20671, 62013, 121073, 144697, 363219, 434091, 847511, 2542533, 5932577, 17797731]

約数ペア:

[(1, 17797731), (3, 5932577), (7, 2542533), (21, 847511), (41, 434091), (49, 363219), (123, 144697), (147, 121073), (287, 62013), (861, 20671), (2009, 8859), (2953, 6027)]