2013778221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{19463}}^1$

素因数の和:19865

約数の個数: 32

約数和(自身を含む): 3313551360

約数和(自身を除く): 1299773139

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 379, 1137, 2653, 4927, 7959, 14781, 19463, 34489, 58389, 103467, 136241, 253019, 408723, 759057, 1771133, 5313399, 7376477, 22129431, 51635339, 95894201, 154906017, 287682603, 671259407, 2013778221]

約数ペア:

[(1, 2013778221), (3, 671259407), (7, 287682603), (13, 154906017), (21, 95894201), (39, 51635339), (91, 22129431), (273, 7376477), (379, 5313399), (1137, 1771133), (2653, 759057), (4927, 408723), (7959, 253019), (14781, 136241), (19463, 103467), (34489, 58389)]