13031271

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 22014720

約数和(自身を除く): 8983449

約数列:

[1, 3, 9, 11, 23, 33, 59, 69, 97, 99, 177, 207, 253, 291, 531, 649, 759, 873, 1067, 1357, 1947, 2231, 2277, 3201, 4071, 5723, 5841, 6693, 9603, 12213, 14927, 17169, 20079, 24541, 44781, 51507, 62953, 73623, 131629, 134343, 188859, 220869, 394887, 566577, 1184661, 1447919, 4343757, 13031271]

約数ペア:

[(1, 13031271), (3, 4343757), (9, 1447919), (11, 1184661), (23, 566577), (33, 394887), (59, 220869), (69, 188859), (97, 134343), (99, 131629), (177, 73623), (207, 62953), (253, 51507), (291, 44781), (531, 24541), (649, 20079), (759, 17169), (873, 14927), (1067, 12213), (1357, 9603), (1947, 6693), (2231, 5841), (2277, 5723), (3201, 4071)]