12717117

素因数分解:

$3^2\times 7^2\times {\mathrm{28837}}^1$

素因数の和:28857

約数の個数: 18

約数和(自身を含む): 21368958

約数和(自身を除く): 8651841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 28837, 86511, 201859, 259533, 605577, 1413013, 1816731, 4239039, 12717117]

約数ペア:

[(1, 12717117), (3, 4239039), (7, 1816731), (9, 1413013), (21, 605577), (49, 259533), (63, 201859), (147, 86511), (441, 28837)]