31752357

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1087}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 52641792

約数和(自身を除く): 20889435

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 1087, 1391, 2247, 3261, 4173, 7609, 9737, 14131, 22827, 29211, 42393, 98917, 116309, 296751, 348927, 814163, 1512017, 2442489, 4536051, 10584119, 31752357]

約数ペア:

[(1, 31752357), (3, 10584119), (7, 4536051), (13, 2442489), (21, 1512017), (39, 814163), (91, 348927), (107, 296751), (273, 116309), (321, 98917), (749, 42393), (1087, 29211), (1391, 22827), (2247, 14131), (3261, 9737), (4173, 7609)]