7220325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 14463360

約数和(自身を除く): 7243035

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 809, 1275, 1785, 2427, 2975, 4045, 5663, 8925, 12135, 13753, 16989, 20225, 28315, 41259, 60675, 68765, 84945, 96271, 141575, 206295, 288813, 343825, 424725, 481355, 1031475, 1444065, 2406775, 7220325]

約数ペア:

[(1, 7220325), (3, 2406775), (5, 1444065), (7, 1031475), (15, 481355), (17, 424725), (21, 343825), (25, 288813), (35, 206295), (51, 141575), (75, 96271), (85, 84945), (105, 68765), (119, 60675), (175, 41259), (255, 28315), (357, 20225), (425, 16989), (525, 13753), (595, 12135), (809, 8925), (1275, 5663), (1785, 4045), (2427, 2975)]