19981725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9187}}^1$

素因数の和:9229

約数の個数: 24

約数和(自身を含む): 34179360

約数和(自身を除く): 14197635

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9187, 27561, 45935, 137805, 229675, 266423, 689025, 799269, 1332115, 3996345, 6660575, 19981725]

約数ペア:

[(1, 19981725), (3, 6660575), (5, 3996345), (15, 1332115), (25, 799269), (29, 689025), (75, 266423), (87, 229675), (145, 137805), (435, 45935), (725, 27561), (2175, 9187)]