689201139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{140167}}^1$

素因数の和:140330

約数の個数: 16

約数和(自身を含む): 1009209600

約数和(自身を除く): 320008461

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4917, 140167, 420501, 1541837, 4625511, 20884883, 62654649, 229733713, 689201139]

約数ペア:

[(1, 689201139), (3, 229733713), (11, 62654649), (33, 20884883), (149, 4625511), (447, 1541837), (1639, 420501), (4917, 140167)]