81087721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 97713216

約数和(自身を除く): 16625495

約数列:

[1, 11, 13, 53, 143, 169, 583, 689, 823, 1859, 7579, 8957, 9053, 10699, 43619, 98527, 117689, 139087, 479809, 567047, 1529957, 6237517, 7371611, 81087721]

約数ペア:

[(1, 81087721), (11, 7371611), (13, 6237517), (53, 1529957), (143, 567047), (169, 479809), (583, 139087), (689, 117689), (823, 98527), (1859, 43619), (7579, 10699), (8957, 9053)]