51579915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3181}}^1$

素因数の和:3259

約数の個数: 32

約数和(自身を含む): 87975936

約数和(自身を除く): 36396021

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3181, 3243, 5405, 9543, 15905, 16215, 47715, 73163, 149507, 219489, 365815, 448521, 747535, 1097445, 2242605, 3438661, 10315983, 17193305, 51579915]

約数ペア:

[(1, 51579915), (3, 17193305), (5, 10315983), (15, 3438661), (23, 2242605), (47, 1097445), (69, 747535), (115, 448521), (141, 365815), (235, 219489), (345, 149507), (705, 73163), (1081, 47715), (3181, 16215), (3243, 15905), (5405, 9543)]