28753995

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 47803392

約数和(自身を除く): 19049397

約数列:

[1, 3, 5, 15, 37, 103, 111, 185, 309, 503, 515, 555, 1509, 1545, 2515, 3811, 7545, 11433, 18611, 19055, 51809, 55833, 57165, 93055, 155427, 259045, 279165, 777135, 1916933, 5750799, 9584665, 28753995]

約数ペア:

[(1, 28753995), (3, 9584665), (5, 5750799), (15, 1916933), (37, 777135), (103, 279165), (111, 259045), (185, 155427), (309, 93055), (503, 57165), (515, 55833), (555, 51809), (1509, 19055), (1545, 18611), (2515, 11433), (3811, 7545)]