16689225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 31997952

約数和(自身を除く): 15308727

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 105, 175, 249, 383, 415, 525, 581, 1149, 1245, 1743, 1915, 2075, 2681, 2905, 5745, 6225, 8043, 8715, 9575, 13405, 14525, 28725, 31789, 40215, 43575, 67025, 95367, 158945, 201075, 222523, 476835, 667569, 794725, 1112615, 2384175, 3337845, 5563075, 16689225]

約数ペア:

[(1, 16689225), (3, 5563075), (5, 3337845), (7, 2384175), (15, 1112615), (21, 794725), (25, 667569), (35, 476835), (75, 222523), (83, 201075), (105, 158945), (175, 95367), (249, 67025), (383, 43575), (415, 40215), (525, 31789), (581, 28725), (1149, 14525), (1245, 13405), (1743, 9575), (1915, 8715), (2075, 8043), (2681, 6225), (2905, 5745)]