27985725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4289}}^1$

素因数の和:4334

約数の個数: 36

約数和(自身を含む): 51866100

約数和(自身を除く): 23880375

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 4289, 6525, 12867, 21445, 38601, 64335, 107225, 124381, 193005, 321675, 373143, 621905, 965025, 1119429, 1865715, 3109525, 5597145, 9328575, 27985725]

約数ペア:

[(1, 27985725), (3, 9328575), (5, 5597145), (9, 3109525), (15, 1865715), (25, 1119429), (29, 965025), (45, 621905), (75, 373143), (87, 321675), (145, 193005), (225, 124381), (261, 107225), (435, 64335), (725, 38601), (1305, 21445), (2175, 12867), (4289, 6525)]