1338375

素因数分解:

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

素因数の和:144

約数の個数: 32

約数和(自身を含む): 2306304

約数和(自身を除く): 967929

約数列:

[1, 3, 5, 15, 25, 43, 75, 83, 125, 129, 215, 249, 375, 415, 645, 1075, 1245, 2075, 3225, 3569, 5375, 6225, 10375, 10707, 16125, 17845, 31125, 53535, 89225, 267675, 446125, 1338375]

約数ペア:

[(1, 1338375), (3, 446125), (5, 267675), (15, 89225), (25, 53535), (43, 31125), (75, 17845), (83, 16125), (125, 10707), (129, 10375), (215, 6225), (249, 5375), (375, 3569), (415, 3225), (645, 2075), (1075, 1245)]