29172771

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 47365920

約数和(自身を除く): 18193149

約数列:

[1, 3, 9, 19, 27, 41, 57, 73, 123, 171, 219, 361, 369, 513, 657, 779, 1083, 1107, 1387, 1971, 2337, 2993, 3249, 4161, 7011, 8979, 9747, 12483, 14801, 21033, 26353, 26937, 37449, 44403, 56867, 79059, 80811, 133209, 170601, 237177, 399627, 511803, 711531, 1080473, 1535409, 3241419, 9724257, 29172771]

約数ペア:

[(1, 29172771), (3, 9724257), (9, 3241419), (19, 1535409), (27, 1080473), (41, 711531), (57, 511803), (73, 399627), (123, 237177), (171, 170601), (219, 133209), (361, 80811), (369, 79059), (513, 56867), (657, 44403), (779, 37449), (1083, 26937), (1107, 26353), (1387, 21033), (1971, 14801), (2337, 12483), (2993, 9747), (3249, 8979), (4161, 7011)]