13121229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 8167731

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 1231, 3553, 3693, 10659, 13541, 20927, 23389, 40623, 62781, 70167, 230197, 257279, 397613, 690591, 771837, 1192839, 4373743, 13121229]

約数ペア:

[(1, 13121229), (3, 4373743), (11, 1192839), (17, 771837), (19, 690591), (33, 397613), (51, 257279), (57, 230197), (187, 70167), (209, 62781), (323, 40623), (561, 23389), (627, 20927), (969, 13541), (1231, 10659), (3553, 3693)]