12487503

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 21669120

約数和(自身を除く): 9181617

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 263, 323, 357, 399, 789, 833, 931, 969, 1841, 2261, 2499, 2793, 4471, 4997, 5523, 6783, 12887, 13413, 14991, 15827, 31297, 34979, 38661, 47481, 84949, 93891, 104937, 219079, 244853, 254847, 594643, 657237, 734559, 1783929, 4162501, 12487503]

約数ペア:

[(1, 12487503), (3, 4162501), (7, 1783929), (17, 734559), (19, 657237), (21, 594643), (49, 254847), (51, 244853), (57, 219079), (119, 104937), (133, 93891), (147, 84949), (263, 47481), (323, 38661), (357, 34979), (399, 31297), (789, 15827), (833, 14991), (931, 13413), (969, 12887), (1841, 6783), (2261, 5523), (2499, 4997), (2793, 4471)]