12721611

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9931}}^1$

素因数の和:10002

約数の個数: 16

約数和(自身を含む): 19705088

約数和(自身を除く): 6983477

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 9931, 29793, 69517, 208551, 605791, 1817373, 4240537, 12721611]

約数ペア:

[(1, 12721611), (3, 4240537), (7, 1817373), (21, 605791), (61, 208551), (183, 69517), (427, 29793), (1281, 9931)]