81021258

素因数分解:

$2^1\times 3^2\times {\mathrm{199}}^1\times {\mathrm{22619}}^1$

素因数の和:22826

約数の個数: 24

約数和(自身を含む): 176436000

約数和(自身を除く): 95414742

約数列:

[1, 2, 3, 6, 9, 18, 199, 398, 597, 1194, 1791, 3582, 22619, 45238, 67857, 135714, 203571, 407142, 4501181, 9002362, 13503543, 27007086, 40510629, 81021258]

約数ペア:

[(1, 81021258), (2, 40510629), (3, 27007086), (6, 13503543), (9, 9002362), (18, 4501181), (199, 407142), (398, 203571), (597, 135714), (1194, 67857), (1791, 45238), (3582, 22619)]