17981847

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8089}}^1$

素因数の和:8127

約数の個数: 24

約数和(自身を含む): 29447600

約数和(自身を除く): 11465753

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8089, 24267, 72801, 105157, 153691, 315471, 461073, 946413, 1383219, 1997983, 5993949, 17981847]

約数ペア:

[(1, 17981847), (3, 5993949), (9, 1997983), (13, 1383219), (19, 946413), (39, 461073), (57, 315471), (117, 153691), (171, 105157), (247, 72801), (741, 24267), (2223, 8089)]