251353089

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{29429}}^1$

素因数の和:29521

約数の個数: 24

約数和(自身を含む): 396363240

約数和(自身を除く): 145010151

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 8541, 29429, 88287, 264861, 382577, 1147731, 2148317, 3443193, 6444951, 19334853, 27928121, 83784363, 251353089]

約数ペア:

[(1, 251353089), (3, 83784363), (9, 27928121), (13, 19334853), (39, 6444951), (73, 3443193), (117, 2148317), (219, 1147731), (657, 382577), (949, 264861), (2847, 88287), (8541, 29429)]