51581358

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{40361}}^1$

素因数の和:40440

約数の個数: 24

約数和(自身を含む): 113336496

約数和(自身を除く): 61755138

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 40361, 80722, 121083, 242166, 363249, 726498, 2865631, 5731262, 8596893, 17193786, 25790679, 51581358]

約数ペア:

[(1, 51581358), (2, 25790679), (3, 17193786), (6, 8596893), (9, 5731262), (18, 2865631), (71, 726498), (142, 363249), (213, 242166), (426, 121083), (639, 80722), (1278, 40361)]