15291207

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 23904000

約数和(自身を除く): 8612793

約数列:

[1, 3, 9, 27, 29, 59, 87, 177, 261, 331, 531, 783, 993, 1593, 1711, 2979, 5133, 8937, 9599, 15399, 19529, 28797, 46197, 58587, 86391, 175761, 259173, 527283, 566341, 1699023, 5097069, 15291207]

約数ペア:

[(1, 15291207), (3, 5097069), (9, 1699023), (27, 566341), (29, 527283), (59, 259173), (87, 175761), (177, 86391), (261, 58587), (331, 46197), (531, 28797), (783, 19529), (993, 15399), (1593, 9599), (1711, 8937), (2979, 5133)]