72128343

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{6211}}^1$

素因数の和:6307

約数の個数: 24

約数和(自身を含む): 113306880

約数和(自身を除く): 41178537

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 6211, 11613, 18633, 43477, 130431, 304339, 490669, 913017, 1472007, 3434683, 10304049, 24042781, 72128343]

約数ペア:

[(1, 72128343), (3, 24042781), (7, 10304049), (21, 3434683), (49, 1472007), (79, 913017), (147, 490669), (237, 304339), (553, 130431), (1659, 43477), (3871, 18633), (6211, 11613)]