81201967

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1907}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 104405760

約数和(自身を除く): 23203793

約数列:

[1, 7, 11, 49, 77, 79, 539, 553, 869, 1907, 3871, 6083, 13349, 20977, 42581, 93443, 146839, 150653, 1027873, 1054571, 1657183, 7381997, 11600281, 81201967]

約数ペア:

[(1, 81201967), (7, 11600281), (11, 7381997), (49, 1657183), (77, 1054571), (79, 1027873), (539, 150653), (553, 146839), (869, 93443), (1907, 42581), (3871, 20977), (6083, 13349)]