139217841

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{6971}}^1$

素因数の和:7301

約数の個数: 24

約数和(自身を含む): 230577984

約数和(自身を除く): 91360143

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 2219, 2853, 6657, 6971, 19971, 20913, 48797, 62739, 146391, 439173, 2209807, 6629421, 15468649, 19888263, 46405947, 139217841]

約数ペア:

[(1, 139217841), (3, 46405947), (7, 19888263), (9, 15468649), (21, 6629421), (63, 2209807), (317, 439173), (951, 146391), (2219, 62739), (2853, 48797), (6657, 20913), (6971, 19971)]