81123185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4933}}^1$

素因数の和:4985

約数の個数: 32

約数和(自身を含む): 119363328

約数和(自身を除く): 38240143

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 3289, 4933, 16445, 24665, 54263, 64129, 113459, 271315, 320645, 567295, 705419, 1248049, 1474967, 3527095, 6240245, 7374835, 16224637, 81123185]

約数ペア:

[(1, 81123185), (5, 16224637), (11, 7374835), (13, 6240245), (23, 3527095), (55, 1474967), (65, 1248049), (115, 705419), (143, 567295), (253, 320645), (299, 271315), (715, 113459), (1265, 64129), (1495, 54263), (3289, 24665), (4933, 16445)]