31919985

素因数分解:

$3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2143}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 55521024

約数和(自身を除く): 23601039

約数列:

[1, 3, 5, 9, 15, 45, 331, 993, 1655, 2143, 2979, 4965, 6429, 10715, 14895, 19287, 32145, 96435, 709333, 2127999, 3546665, 6383997, 10639995, 31919985]

約数ペア:

[(1, 31919985), (3, 10639995), (5, 6383997), (9, 3546665), (15, 2127999), (45, 709333), (331, 96435), (993, 32145), (1655, 19287), (2143, 14895), (2979, 10715), (4965, 6429)]