16620231

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6781}}^1$

素因数の和:6846

約数の個数: 16

約数和(自身を含む): 23872640

約数和(自身を除く): 7252409

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 6781, 20343, 128839, 291583, 386517, 874749, 5540077, 16620231]

約数ペア:

[(1, 16620231), (3, 5540077), (19, 874749), (43, 386517), (57, 291583), (129, 128839), (817, 20343), (2451, 6781)]