31924275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 56960640

約数和(自身を除く): 25036365

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 521, 645, 817, 1075, 1425, 1563, 2451, 2605, 3225, 4085, 7815, 9899, 12255, 13025, 20425, 22403, 29697, 39075, 49495, 61275, 67209, 112015, 148485, 247475, 336045, 425657, 560075, 742425, 1276971, 1680225, 2128285, 6384855, 10641425, 31924275]

約数ペア:

[(1, 31924275), (3, 10641425), (5, 6384855), (15, 2128285), (19, 1680225), (25, 1276971), (43, 742425), (57, 560075), (75, 425657), (95, 336045), (129, 247475), (215, 148485), (285, 112015), (475, 67209), (521, 61275), (645, 49495), (817, 39075), (1075, 29697), (1425, 22403), (1563, 20425), (2451, 13025), (2605, 12255), (3225, 9899), (4085, 7815)]