81789225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3623}}^1$

素因数の和:3686

約数の個数: 48

約数和(自身を含む): 158180352

約数和(自身を除く): 76391127

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 1075, 1505, 3225, 3623, 4515, 7525, 10869, 18115, 22575, 25361, 54345, 76083, 90575, 126805, 155789, 271725, 380415, 467367, 634025, 778945, 1090523, 1902075, 2336835, 3271569, 3894725, 5452615, 11684175, 16357845, 27263075, 81789225]

約数ペア:

[(1, 81789225), (3, 27263075), (5, 16357845), (7, 11684175), (15, 5452615), (21, 3894725), (25, 3271569), (35, 2336835), (43, 1902075), (75, 1090523), (105, 778945), (129, 634025), (175, 467367), (215, 380415), (301, 271725), (525, 155789), (645, 126805), (903, 90575), (1075, 76083), (1505, 54345), (3225, 25361), (3623, 22575), (4515, 18115), (7525, 10869)]