39925179

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20443}}^1$

素因数の和:20487

約数の個数: 24

約数和(自身を含む): 68037632

約数和(自身を除く): 28112453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 20443, 61329, 143101, 183987, 429303, 633733, 1287909, 1901199, 4436131, 5703597, 13308393, 39925179]

約数ペア:

[(1, 39925179), (3, 13308393), (7, 5703597), (9, 4436131), (21, 1901199), (31, 1287909), (63, 633733), (93, 429303), (217, 183987), (279, 143101), (651, 61329), (1953, 20443)]