213079425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{16811}}^1$

素因数の和:16850

約数の個数: 36

約数和(自身を含む): 381497904

約数和(自身を除く): 168418479

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 975, 2535, 4225, 12675, 16811, 50433, 84055, 218543, 252165, 420275, 655629, 1092715, 1260825, 2841059, 3278145, 5463575, 8523177, 14205295, 16390725, 42615885, 71026475, 213079425]

約数ペア:

[(1, 213079425), (3, 71026475), (5, 42615885), (13, 16390725), (15, 14205295), (25, 8523177), (39, 5463575), (65, 3278145), (75, 2841059), (169, 1260825), (195, 1092715), (325, 655629), (507, 420275), (845, 252165), (975, 218543), (2535, 84055), (4225, 50433), (12675, 16811)]