38919945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 64576512

約数和(自身を除く): 25656567

約数列:

[1, 3, 5, 15, 43, 83, 129, 215, 249, 415, 645, 727, 1245, 2181, 3569, 3635, 10707, 10905, 17845, 31261, 53535, 60341, 93783, 156305, 181023, 301705, 468915, 905115, 2594663, 7783989, 12973315, 38919945]

約数ペア:

[(1, 38919945), (3, 12973315), (5, 7783989), (15, 2594663), (43, 905115), (83, 468915), (129, 301705), (215, 181023), (249, 156305), (415, 93783), (645, 60341), (727, 53535), (1245, 31261), (2181, 17845), (3569, 10905), (3635, 10707)]