30681399

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5641}}^1$

素因数の和:5695

約数の個数: 24

約数和(自身を含む): 48882288

約数和(自身を除く): 18200889

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 5641, 16923, 39487, 118461, 208717, 276409, 626151, 829227, 1461019, 4383057, 10227133, 30681399]

約数ペア:

[(1, 30681399), (3, 10227133), (7, 4383057), (21, 1461019), (37, 829227), (49, 626151), (111, 276409), (147, 208717), (259, 118461), (777, 39487), (1813, 16923), (5439, 5641)]