31441347

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 56788992

約数和(自身を除く): 25347645

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 947, 1071, 1581, 1953, 2841, 3689, 4743, 6629, 8523, 11067, 16099, 19887, 29357, 33201, 48297, 59661, 88071, 112693, 144891, 205499, 264213, 338079, 499069, 616497, 1014237, 1497207, 1849491, 3493483, 4491621, 10480449, 31441347]

約数ペア:

[(1, 31441347), (3, 10480449), (7, 4491621), (9, 3493483), (17, 1849491), (21, 1497207), (31, 1014237), (51, 616497), (63, 499069), (93, 338079), (119, 264213), (153, 205499), (217, 144891), (279, 112693), (357, 88071), (527, 59661), (651, 48297), (947, 33201), (1071, 29357), (1581, 19887), (1953, 16099), (2841, 11067), (3689, 8523), (4743, 6629)]