307719

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:172

約数の個数: 20

約数和(自身を含む): 479160

約数和(自身を除く): 171441

約数列:

[1, 3, 9, 27, 29, 81, 87, 131, 261, 393, 783, 1179, 2349, 3537, 3799, 10611, 11397, 34191, 102573, 307719]

約数ペア:

[(1, 307719), (3, 102573), (9, 34191), (27, 11397), (29, 10611), (81, 3799), (87, 3537), (131, 2349), (261, 1179), (393, 783)]