81359229

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{653}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 131846400

約数和(自身を除く): 50487171

約数列:

[1, 3, 7, 17, 21, 51, 119, 349, 357, 653, 1047, 1959, 2443, 4571, 5933, 7329, 11101, 13713, 17799, 33303, 41531, 77707, 124593, 227897, 233121, 683691, 1595279, 3874249, 4785837, 11622747, 27119743, 81359229]

約数ペア:

[(1, 81359229), (3, 27119743), (7, 11622747), (17, 4785837), (21, 3874249), (51, 1595279), (119, 683691), (349, 233121), (357, 227897), (653, 124593), (1047, 77707), (1959, 41531), (2443, 33303), (4571, 17799), (5933, 13713), (7329, 11101)]