12128361

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 19968768

約数和(自身を除く): 7840407

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 641, 901, 1113, 1923, 2703, 4487, 6307, 10897, 13461, 18921, 32691, 33973, 76279, 101919, 228837, 237811, 577541, 713433, 1732623, 4042787, 12128361]

約数ペア:

[(1, 12128361), (3, 4042787), (7, 1732623), (17, 713433), (21, 577541), (51, 237811), (53, 228837), (119, 101919), (159, 76279), (357, 33973), (371, 32691), (641, 18921), (901, 13461), (1113, 10897), (1923, 6307), (2703, 4487)]