1293225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 2193312

約数和(自身を除く): 900087

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 401, 645, 1075, 1203, 2005, 3225, 6015, 10025, 17243, 30075, 51729, 86215, 258645, 431075, 1293225]

約数ペア:

[(1, 1293225), (3, 431075), (5, 258645), (15, 86215), (25, 51729), (43, 30075), (75, 17243), (129, 10025), (215, 6015), (401, 3225), (645, 2005), (1075, 1203)]