208129215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{16657}}^1$

素因数の和:16696

約数の個数: 48

約数和(自身を含む): 410186592

約数和(自身を除く): 202057377

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2499, 4165, 12495, 16657, 49971, 83285, 116599, 249855, 283169, 349797, 582995, 816193, 849507, 1415845, 1748985, 1982183, 2448579, 4080965, 4247535, 5946549, 9910915, 12242895, 13875281, 29732745, 41625843, 69376405, 208129215]

約数ペア:

[(1, 208129215), (3, 69376405), (5, 41625843), (7, 29732745), (15, 13875281), (17, 12242895), (21, 9910915), (35, 5946549), (49, 4247535), (51, 4080965), (85, 2448579), (105, 1982183), (119, 1748985), (147, 1415845), (245, 849507), (255, 816193), (357, 582995), (595, 349797), (735, 283169), (833, 249855), (1785, 116599), (2499, 83285), (4165, 49971), (12495, 16657)]