78401619

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 121843800

約数和(自身を除く): 43442181

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 361, 409, 531, 1083, 1121, 1227, 3249, 3363, 3681, 7771, 10089, 21299, 23313, 24131, 63897, 69939, 72393, 147649, 191691, 217179, 442947, 458489, 1328841, 1375467, 4126401, 8711291, 26133873, 78401619]

約数ペア:

[(1, 78401619), (3, 26133873), (9, 8711291), (19, 4126401), (57, 1375467), (59, 1328841), (171, 458489), (177, 442947), (361, 217179), (409, 191691), (531, 147649), (1083, 72393), (1121, 69939), (1227, 63897), (3249, 24131), (3363, 23313), (3681, 21299), (7771, 10089)]