13290417

素因数分解:

$3^2\times 7^2\times {\mathrm{30137}}^1$

素因数の和:30157

約数の個数: 18

約数和(自身を含む): 22332258

約数和(自身を除く): 9041841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 30137, 90411, 210959, 271233, 632877, 1476713, 1898631, 4430139, 13290417]

約数ペア:

[(1, 13290417), (3, 4430139), (7, 1898631), (9, 1476713), (21, 632877), (49, 271233), (63, 210959), (147, 90411), (441, 30137)]