81459903

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 137549664

約数和(自身を除く): 56089761

約数列:

[1, 3, 7, 17, 21, 37, 49, 51, 111, 119, 147, 259, 357, 629, 777, 833, 881, 1813, 1887, 2499, 2643, 4403, 5439, 6167, 13209, 14977, 18501, 30821, 32597, 43169, 44931, 92463, 97791, 104839, 129507, 228179, 314517, 554149, 684537, 733873, 1597253, 1662447, 2201619, 3879043, 4791759, 11637129, 27153301, 81459903]

約数ペア:

[(1, 81459903), (3, 27153301), (7, 11637129), (17, 4791759), (21, 3879043), (37, 2201619), (49, 1662447), (51, 1597253), (111, 733873), (119, 684537), (147, 554149), (259, 314517), (357, 228179), (629, 129507), (777, 104839), (833, 97791), (881, 92463), (1813, 44931), (1887, 43169), (2499, 32597), (2643, 30821), (4403, 18501), (5439, 14977), (6167, 13209)]