213341877

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26251}}^1$

素因数の和:26310

約数の個数: 32

約数和(自身を含む): 369628160

約数和(自身を除く): 156286283

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 26251, 78753, 183757, 236259, 551271, 708777, 1128793, 1653813, 3386379, 4961439, 7901551, 10159137, 23704653, 30477411, 71113959, 213341877]

約数ペア:

[(1, 213341877), (3, 71113959), (7, 30477411), (9, 23704653), (21, 10159137), (27, 7901551), (43, 4961439), (63, 3386379), (129, 1653813), (189, 1128793), (301, 708777), (387, 551271), (903, 236259), (1161, 183757), (2709, 78753), (8127, 26251)]