81271827

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{99233}}^1$

素因数の和:99259

約数の個数: 24

約数和(自身を含む): 144484704

約数和(自身を除く): 63212877

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 99233, 297699, 694631, 893097, 1290029, 2083893, 3870087, 6251679, 9030203, 11610261, 27090609, 81271827]

約数ペア:

[(1, 81271827), (3, 27090609), (7, 11610261), (9, 9030203), (13, 6251679), (21, 3870087), (39, 2083893), (63, 1290029), (91, 893097), (117, 694631), (273, 297699), (819, 99233)]