31271499

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4639}}^1$

素因数の和:4759

約数の個数: 24

約数和(自身を含む): 52116480

約数和(自身を除く): 20844981

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 4639, 6741, 13917, 32473, 41751, 97419, 292257, 496373, 1489119, 3474611, 4467357, 10423833, 31271499]

約数ペア:

[(1, 31271499), (3, 10423833), (7, 4467357), (9, 3474611), (21, 1489119), (63, 496373), (107, 292257), (321, 97419), (749, 41751), (963, 32473), (2247, 13917), (4639, 6741)]