215251197

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4657}}^1$

素因数の和:4769

約数の個数: 32

約数和(自身を含む): 343425024

約数和(自身を除く): 128173827

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 497, 651, 1491, 2201, 4657, 6603, 13971, 15407, 32599, 46221, 97797, 144367, 330647, 433101, 991941, 1010569, 2314529, 3031707, 6943587, 10250057, 30750171, 71750399, 215251197]

約数ペア:

[(1, 215251197), (3, 71750399), (7, 30750171), (21, 10250057), (31, 6943587), (71, 3031707), (93, 2314529), (213, 1010569), (217, 991941), (497, 433101), (651, 330647), (1491, 144367), (2201, 97797), (4657, 46221), (6603, 32599), (13971, 15407)]