16986885

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 28250112

約数和(自身を除く): 11263227

約数列:

[1, 3, 5, 15, 37, 111, 127, 185, 241, 381, 555, 635, 723, 1205, 1905, 3615, 4699, 8917, 14097, 23495, 26751, 30607, 44585, 70485, 91821, 133755, 153035, 459105, 1132459, 3397377, 5662295, 16986885]

約数ペア:

[(1, 16986885), (3, 5662295), (5, 3397377), (15, 1132459), (37, 459105), (111, 153035), (127, 133755), (185, 91821), (241, 70485), (381, 44585), (555, 30607), (635, 26751), (723, 23495), (1205, 14097), (1905, 8917), (3615, 4699)]