81879245

素因数分解:

$5^1\times 7^3\times {\mathrm{47743}}^1$

素因数の和:47769

約数の個数: 16

約数和(自身を含む): 114585600

約数和(自身を除く): 32706355

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 47743, 238715, 334201, 1671005, 2339407, 11697035, 16375849, 81879245]

約数ペア:

[(1, 81879245), (5, 16375849), (7, 11697035), (35, 2339407), (49, 1671005), (245, 334201), (343, 238715), (1715, 47743)]