51511551

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{188687}}^1$

素因数の和:188710

約数の個数: 16

約数和(自身を含む): 84532224

約数和(自身を除く): 33020673

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 188687, 566061, 1320809, 2452931, 3962427, 7358793, 17170517, 51511551]

約数ペア:

[(1, 51511551), (3, 17170517), (7, 7358793), (13, 3962427), (21, 2452931), (39, 1320809), (91, 566061), (273, 188687)]