2639985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4093}}^1$

素因数の和:4144

約数の個数: 16

約数和(自身を含む): 4323264

約数和(自身を除く): 1683279

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 4093, 12279, 20465, 61395, 175999, 527997, 879995, 2639985]

約数ペア:

[(1, 2639985), (3, 879995), (5, 527997), (15, 175999), (43, 61395), (129, 20465), (215, 12279), (645, 4093)]