208206789

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{66541}}^1$

素因数の和:66700

約数の個数: 16

約数和(自身を含む): 319401600

約数和(自身を除く): 111194811

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 66541, 199623, 465787, 1397361, 9914609, 29743827, 69402263, 208206789]

約数ペア:

[(1, 208206789), (3, 69402263), (7, 29743827), (21, 9914609), (149, 1397361), (447, 465787), (1043, 199623), (3129, 66541)]