30689043

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18979}}^1$

素因数の和:19007

約数の個数: 24

約数和(自身を含む): 51929280

約数和(自身を除く): 21240237

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 18979, 56937, 132853, 208769, 398559, 626307, 929971, 1461383, 2789913, 4384149, 10229681, 30689043]

約数ペア:

[(1, 30689043), (3, 10229681), (7, 4384149), (11, 2789913), (21, 1461383), (33, 929971), (49, 626307), (77, 398559), (147, 208769), (231, 132853), (539, 56937), (1617, 18979)]