738974733

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{264581}}^1$

素因数の和:264617

約数の個数: 24

約数和(自身を含む): 1206493920

約数和(自身を除く): 467519187

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 264581, 793743, 1852067, 5027039, 5556201, 12964469, 15081117, 35189273, 38893407, 105567819, 246324911, 738974733]

約数ペア:

[(1, 738974733), (3, 246324911), (7, 105567819), (19, 38893407), (21, 35189273), (49, 15081117), (57, 12964469), (133, 5556201), (147, 5027039), (399, 1852067), (931, 793743), (2793, 264581)]