80490915

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8641}}^1$

素因数の和:8681

約数の個数: 40

約数和(自身を含む): 150578208

約数和(自身を除く): 70087293

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 8641, 9315, 25923, 43205, 77769, 129615, 198743, 233307, 388845, 596229, 699921, 993715, 1166535, 1788687, 2981145, 3499605, 5366061, 8943435, 16098183, 26830305, 80490915]

約数ペア:

[(1, 80490915), (3, 26830305), (5, 16098183), (9, 8943435), (15, 5366061), (23, 3499605), (27, 2981145), (45, 1788687), (69, 1166535), (81, 993715), (115, 699921), (135, 596229), (207, 388845), (345, 233307), (405, 198743), (621, 129615), (1035, 77769), (1863, 43205), (3105, 25923), (8641, 9315)]