156977135

素因数分解:

$5^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{1427}}^1$

素因数の和:1895

約数の個数: 24

約数和(自身を含む): 219769200

約数和(自身を除く): 62792065

約数列:

[1, 5, 7, 35, 49, 245, 449, 1427, 2245, 3143, 7135, 9989, 15715, 22001, 49945, 69923, 110005, 349615, 640723, 3203615, 4485061, 22425305, 31395427, 156977135]

約数ペア:

[(1, 156977135), (5, 31395427), (7, 22425305), (35, 4485061), (49, 3203615), (245, 640723), (449, 349615), (1427, 110005), (2245, 69923), (3143, 49945), (7135, 22001), (9989, 15715)]