7121655

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 12856320

約数和(自身を除く): 5734665

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 743, 1065, 1917, 2229, 3195, 3715, 6687, 9585, 11145, 20061, 33435, 52753, 100305, 158259, 263765, 474777, 791295, 1424331, 2373885, 7121655]

約数ペア:

[(1, 7121655), (3, 2373885), (5, 1424331), (9, 791295), (15, 474777), (27, 263765), (45, 158259), (71, 100305), (135, 52753), (213, 33435), (355, 20061), (639, 11145), (743, 9585), (1065, 6687), (1917, 3715), (2229, 3195)]