12912235

素因数分解:

$5^1\times 7^3\times {\mathrm{7529}}^1$

素因数の和:7555

約数の個数: 16

約数和(自身を含む): 18072000

約数和(自身を除く): 5159765

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 7529, 37645, 52703, 263515, 368921, 1844605, 2582447, 12912235]

約数ペア:

[(1, 12912235), (5, 2582447), (7, 1844605), (35, 368921), (49, 263515), (245, 52703), (343, 37645), (1715, 7529)]