199914525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{20663}}^1$

素因数の和:20722

約数の個数: 36

約数和(自身を含む): 366414048

約数和(自身を除く): 166499523

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 9675, 20663, 61989, 103315, 185967, 309945, 516575, 888509, 929835, 1549725, 2665527, 4442545, 4649175, 7996581, 13327635, 22212725, 39982905, 66638175, 199914525]

約数ペア:

[(1, 199914525), (3, 66638175), (5, 39982905), (9, 22212725), (15, 13327635), (25, 7996581), (43, 4649175), (45, 4442545), (75, 2665527), (129, 1549725), (215, 929835), (225, 888509), (387, 516575), (645, 309945), (1075, 185967), (1935, 103315), (3225, 61989), (9675, 20663)]