18644121

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 10904679

約数列:

[1, 3, 9, 17, 27, 51, 151, 153, 269, 453, 459, 807, 1359, 2421, 2567, 4077, 4573, 7263, 7701, 13719, 23103, 40619, 41157, 69309, 121857, 123471, 365571, 690523, 1096713, 2071569, 6214707, 18644121]

約数ペア:

[(1, 18644121), (3, 6214707), (9, 2071569), (17, 1096713), (27, 690523), (51, 365571), (151, 123471), (153, 121857), (269, 69309), (453, 41157), (459, 40619), (807, 23103), (1359, 13719), (2421, 7701), (2567, 7263), (4077, 4573)]