42678723

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 61480960

約数和(自身を除く): 18802237

約数列:

[1, 3, 31, 37, 79, 93, 111, 157, 237, 471, 1147, 2449, 2923, 3441, 4867, 5809, 7347, 8769, 12403, 14601, 17427, 37209, 90613, 180079, 271839, 384493, 458911, 540237, 1153479, 1376733, 14226241, 42678723]

約数ペア:

[(1, 42678723), (3, 14226241), (31, 1376733), (37, 1153479), (79, 540237), (93, 458911), (111, 384493), (157, 271839), (237, 180079), (471, 90613), (1147, 37209), (2449, 17427), (2923, 14601), (3441, 12403), (4867, 8769), (5809, 7347)]