18554427

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 29353632

約数和(自身を除く): 10799205

約数列:

[1, 3, 9, 27, 37, 41, 81, 111, 123, 151, 333, 369, 453, 999, 1107, 1359, 1517, 2997, 3321, 4077, 4551, 5587, 6191, 12231, 13653, 16761, 18573, 40959, 50283, 55719, 122877, 150849, 167157, 229067, 452547, 501471, 687201, 2061603, 6184809, 18554427]

約数ペア:

[(1, 18554427), (3, 6184809), (9, 2061603), (27, 687201), (37, 501471), (41, 452547), (81, 229067), (111, 167157), (123, 150849), (151, 122877), (333, 55719), (369, 50283), (453, 40959), (999, 18573), (1107, 16761), (1359, 13653), (1517, 12231), (2997, 6191), (3321, 5587), (4077, 4551)]