1387111509

素因数分解:

$3^2\times 7^1\times {\mathrm{3163}}^1\times {\mathrm{6961}}^1$

素因数の和:10137

約数の個数: 24

約数和(自身を含む): 2290887872

約数和(自身を除く): 903776363

約数列:

[1, 3, 7, 9, 21, 63, 3163, 6961, 9489, 20883, 22141, 28467, 48727, 62649, 66423, 146181, 199269, 438543, 22017643, 66052929, 154123501, 198158787, 462370503, 1387111509]

約数ペア:

[(1, 1387111509), (3, 462370503), (7, 198158787), (9, 154123501), (21, 66052929), (63, 22017643), (3163, 438543), (6961, 199269), (9489, 146181), (20883, 66423), (22141, 62649), (28467, 48727)]