31999995

素因数分解:

$3^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{809}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 57153600

約数和(自身を除く): 25153605

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 293, 809, 879, 1465, 2427, 2637, 4045, 4395, 7281, 7911, 12135, 13185, 21843, 36405, 39555, 109215, 237037, 711111, 1185185, 2133333, 3555555, 6399999, 10666665, 31999995]

約数ペア:

[(1, 31999995), (3, 10666665), (5, 6399999), (9, 3555555), (15, 2133333), (27, 1185185), (45, 711111), (135, 237037), (293, 109215), (809, 39555), (879, 36405), (1465, 21843), (2427, 13185), (2637, 12135), (4045, 7911), (4395, 7281)]