216427561

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{6337}}^1$

素因数の和:6409

約数の個数: 24

約数和(自身を含む): 273117096

約数和(自身を除く): 56689535

約数列:

[1, 7, 17, 41, 49, 119, 287, 697, 833, 2009, 4879, 6337, 34153, 44359, 107729, 259817, 310513, 754103, 1818719, 4416889, 5278721, 12731033, 30918223, 216427561]

約数ペア:

[(1, 216427561), (7, 30918223), (17, 12731033), (41, 5278721), (49, 4416889), (119, 1818719), (287, 754103), (697, 310513), (833, 259817), (2009, 107729), (4879, 44359), (6337, 34153)]