12973541

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 15737088

約数和(自身を除く): 2763547

約数列:

[1, 7, 23, 61, 161, 427, 1321, 1403, 9247, 9821, 30383, 80581, 212681, 564067, 1853363, 12973541]

約数ペア:

[(1, 12973541), (7, 1853363), (23, 564067), (61, 212681), (161, 80581), (427, 30383), (1321, 9821), (1403, 9247)]