138743829

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 236254720

約数和(自身を除く): 97510891

約数列:

[1, 3, 7, 9, 21, 61, 63, 79, 183, 237, 427, 457, 549, 553, 711, 1281, 1371, 1659, 3199, 3843, 4113, 4819, 4977, 9597, 14457, 27877, 28791, 33733, 36103, 43371, 83631, 101199, 108309, 195139, 250893, 252721, 303597, 324927, 585417, 758163, 1756251, 2202283, 2274489, 6606849, 15415981, 19820547, 46247943, 138743829]

約数ペア:

[(1, 138743829), (3, 46247943), (7, 19820547), (9, 15415981), (21, 6606849), (61, 2274489), (63, 2202283), (79, 1756251), (183, 758163), (237, 585417), (427, 324927), (457, 303597), (549, 252721), (553, 250893), (711, 195139), (1281, 108309), (1371, 101199), (1659, 83631), (3199, 43371), (3843, 36103), (4113, 33733), (4819, 28791), (4977, 27877), (9597, 14457)]