81136835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 112275072

約数和(自身を除く): 31138237

約数列:

[1, 5, 13, 17, 65, 85, 101, 221, 505, 727, 1105, 1313, 1717, 3635, 6565, 8585, 9451, 12359, 22321, 47255, 61795, 73427, 111605, 160667, 367135, 803335, 954551, 1248259, 4772755, 6241295, 16227367, 81136835]

約数ペア:

[(1, 81136835), (5, 16227367), (13, 6241295), (17, 4772755), (65, 1248259), (85, 954551), (101, 803335), (221, 367135), (505, 160667), (727, 111605), (1105, 73427), (1313, 61795), (1717, 47255), (3635, 22321), (6565, 12359), (8585, 9451)]