80428815

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{25903}}^1$

素因数の和:25940

約数の個数: 32

約数和(自身を含む): 149207040

約数和(自身を除く): 68778225

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 25903, 77709, 129515, 233127, 388545, 595769, 699381, 1165635, 1787307, 2978845, 3496905, 5361921, 8936535, 16085763, 26809605, 80428815]

約数ペア:

[(1, 80428815), (3, 26809605), (5, 16085763), (9, 8936535), (15, 5361921), (23, 3496905), (27, 2978845), (45, 1787307), (69, 1165635), (115, 699381), (135, 595769), (207, 388545), (345, 233127), (621, 129515), (1035, 77709), (3105, 25903)]