520901511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{9901}}^1$

素因数の和:10007

約数の個数: 32

約数和(自身を含む): 798497280

約数和(自身を除く): 277595769

約数列:

[1, 3, 13, 19, 39, 57, 71, 213, 247, 741, 923, 1349, 2769, 4047, 9901, 17537, 29703, 52611, 128713, 188119, 386139, 564357, 702971, 2108913, 2445547, 7336641, 9138623, 13356449, 27415869, 40069347, 173633837, 520901511]

約数ペア:

[(1, 520901511), (3, 173633837), (13, 40069347), (19, 27415869), (39, 13356449), (57, 9138623), (71, 7336641), (213, 2445547), (247, 2108913), (741, 702971), (923, 564357), (1349, 386139), (2769, 188119), (4047, 128713), (9901, 52611), (17537, 29703)]