1351275

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 2291520

約数和(自身を除く): 940245

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 419, 645, 1075, 1257, 2095, 3225, 6285, 10475, 18017, 31425, 54051, 90085, 270255, 450425, 1351275]

約数ペア:

[(1, 1351275), (3, 450425), (5, 270255), (15, 90085), (25, 54051), (43, 31425), (75, 18017), (129, 10475), (215, 6285), (419, 3225), (645, 2095), (1075, 1257)]