1211720001

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{20693}}^1$

素因数の和:20976

約数の個数: 16

約数和(自身を含む): 1638964800

約数和(自身を除く): 427244799

約数列:

[1, 3, 131, 149, 393, 447, 19519, 20693, 58557, 62079, 2710783, 3083257, 8132349, 9249771, 403906667, 1211720001]

約数ペア:

[(1, 1211720001), (3, 403906667), (131, 9249771), (149, 8132349), (393, 3083257), (447, 2710783), (19519, 62079), (20693, 58557)]