2017509921

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{681361}}^1$

素因数の和:681421

約数の個数: 24

約数和(自身を含む): 3401359104

約数和(自身を除く): 1383849183

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 681361, 2044083, 4769527, 6132249, 14308581, 32023967, 42925743, 96071901, 224167769, 288215703, 672503307, 2017509921]

約数ペア:

[(1, 2017509921), (3, 672503307), (7, 288215703), (9, 224167769), (21, 96071901), (47, 42925743), (63, 32023967), (141, 14308581), (329, 6132249), (423, 4769527), (987, 2044083), (2961, 681361)]