15889251

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 25694208

約数和(自身を除く): 9804957

約数列:

[1, 3, 7, 21, 23, 67, 69, 161, 201, 469, 483, 491, 1407, 1473, 1541, 3437, 4623, 10311, 10787, 11293, 32361, 32897, 33879, 79051, 98691, 230279, 237153, 690837, 756631, 2269893, 5296417, 15889251]

約数ペア:

[(1, 15889251), (3, 5296417), (7, 2269893), (21, 756631), (23, 690837), (67, 237153), (69, 230279), (161, 98691), (201, 79051), (469, 33879), (483, 32897), (491, 32361), (1407, 11293), (1473, 10787), (1541, 10311), (3437, 4623)]