81264435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2521}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 149140992

約数和(自身を除く): 67876557

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 307, 921, 1535, 2149, 2521, 4605, 6447, 7563, 10745, 12605, 17647, 32235, 37815, 52941, 88235, 264705, 773947, 2321841, 3869735, 5417629, 11609205, 16252887, 27088145, 81264435]

約数ペア:

[(1, 81264435), (3, 27088145), (5, 16252887), (7, 11609205), (15, 5417629), (21, 3869735), (35, 2321841), (105, 773947), (307, 264705), (921, 88235), (1535, 52941), (2149, 37815), (2521, 32235), (4605, 17647), (6447, 12605), (7563, 10745)]