81278262

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{115781}}^1$

素因数の和:115805

約数の個数: 32

約数和(自身を含む): 194513760

約数和(自身を除く): 113235498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 115781, 231562, 347343, 694686, 1042029, 1505153, 2084058, 3010306, 3126087, 4515459, 6252174, 9030918, 13546377, 27092754, 40639131, 81278262]

約数ペア:

[(1, 81278262), (2, 40639131), (3, 27092754), (6, 13546377), (9, 9030918), (13, 6252174), (18, 4515459), (26, 3126087), (27, 3010306), (39, 2084058), (54, 1505153), (78, 1042029), (117, 694686), (234, 347343), (351, 231562), (702, 115781)]