287823921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{12097}}^1$

素因数の和:12221

約数の個数: 32

約数和(自身を含む): 483145728

約数和(自身を除く): 195321807

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 2163, 3399, 7931, 12097, 23793, 36291, 84679, 133067, 254037, 399201, 931469, 1245991, 2794407, 3737973, 8721937, 13705901, 26165811, 41117703, 95941307, 287823921]

約数ペア:

[(1, 287823921), (3, 95941307), (7, 41117703), (11, 26165811), (21, 13705901), (33, 8721937), (77, 3737973), (103, 2794407), (231, 1245991), (309, 931469), (721, 399201), (1133, 254037), (2163, 133067), (3399, 84679), (7931, 36291), (12097, 23793)]