27886131

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 22433229

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 431, 553, 711, 819, 1027, 1293, 1659, 3017, 3081, 3879, 4977, 5603, 7189, 9051, 9243, 16809, 21567, 27153, 34049, 39221, 50427, 64701, 102147, 117663, 238343, 306441, 352989, 442637, 715029, 1327911, 2145087, 3098459, 3983733, 9295377, 27886131]

約数ペア:

[(1, 27886131), (3, 9295377), (7, 3983733), (9, 3098459), (13, 2145087), (21, 1327911), (39, 715029), (63, 442637), (79, 352989), (91, 306441), (117, 238343), (237, 117663), (273, 102147), (431, 64701), (553, 50427), (711, 39221), (819, 34049), (1027, 27153), (1293, 21567), (1659, 16809), (3017, 9243), (3081, 9051), (3879, 7189), (4977, 5603)]