12777345

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{4507}}^1$

素因数の和:4531

約数の個数: 40

約数和(自身を含む): 26182464

約数和(自身を除く): 13405119

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 4507, 13521, 22535, 31549, 40563, 67605, 94647, 121689, 157745, 202815, 283941, 365067, 473235, 608445, 851823, 1419705, 1825335, 2555469, 4259115, 12777345]

約数ペア:

[(1, 12777345), (3, 4259115), (5, 2555469), (7, 1825335), (9, 1419705), (15, 851823), (21, 608445), (27, 473235), (35, 365067), (45, 283941), (63, 202815), (81, 157745), (105, 121689), (135, 94647), (189, 67605), (315, 40563), (405, 31549), (567, 22535), (945, 13521), (2835, 4507)]