86638839

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 135260160

約数和(自身を除く): 48621321

約数列:

[1, 3, 7, 21, 67, 139, 201, 417, 443, 469, 973, 1329, 1407, 2919, 3101, 9303, 9313, 27939, 29681, 61577, 65191, 89043, 184731, 195573, 207767, 431039, 623301, 1293117, 4125659, 12376977, 28879613, 86638839]

約数ペア:

[(1, 86638839), (3, 28879613), (7, 12376977), (21, 4125659), (67, 1293117), (139, 623301), (201, 431039), (417, 207767), (443, 195573), (469, 184731), (973, 89043), (1329, 65191), (1407, 61577), (2919, 29681), (3101, 27939), (9303, 9313)]