39995985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2341}}^1$

素因数の和:2433

約数の個数: 32

約数和(自身を含む): 68798592

約数和(自身を除く): 28802607

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 2341, 3417, 5695, 7023, 11705, 17085, 35115, 39797, 119391, 156847, 198985, 470541, 596955, 784235, 2352705, 2666399, 7999197, 13331995, 39995985]

約数ペア:

[(1, 39995985), (3, 13331995), (5, 7999197), (15, 2666399), (17, 2352705), (51, 784235), (67, 596955), (85, 470541), (201, 198985), (255, 156847), (335, 119391), (1005, 39797), (1139, 35115), (2341, 17085), (3417, 11705), (5695, 7023)]