68021331

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{21739}}^1$

素因数の和:21898

約数の個数: 16

約数和(自身を含む): 104352000

約数和(自身を除く): 36330669

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 21739, 65217, 152173, 456519, 3239111, 9717333, 22673777, 68021331]

約数ペア:

[(1, 68021331), (3, 22673777), (7, 9717333), (21, 3239111), (149, 456519), (447, 152173), (1043, 65217), (3129, 21739)]