81217638

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{110051}}^1$

素因数の和:110100

約数の個数: 24

約数和(自身を含む): 180265176

約数和(自身を除く): 99047538

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 110051, 220102, 330153, 660306, 990459, 1980918, 4512091, 9024182, 13536273, 27072546, 40608819, 81217638]

約数ペア:

[(1, 81217638), (2, 40608819), (3, 27072546), (6, 13536273), (9, 9024182), (18, 4512091), (41, 1980918), (82, 990459), (123, 660306), (246, 330153), (369, 220102), (738, 110051)]