218366031

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4831}}^1$

素因数の和:4927

約数の個数: 32

約数和(自身を含む): 335534080

約数和(自身を除く): 117168049

約数列:

[1, 3, 13, 19, 39, 57, 61, 183, 247, 741, 793, 1159, 2379, 3477, 4831, 14493, 15067, 45201, 62803, 91789, 188409, 275367, 294691, 884073, 1193257, 3579771, 3830983, 5599129, 11492949, 16797387, 72788677, 218366031]

約数ペア:

[(1, 218366031), (3, 72788677), (13, 16797387), (19, 11492949), (39, 5599129), (57, 3830983), (61, 3579771), (183, 1193257), (247, 884073), (741, 294691), (793, 275367), (1159, 188409), (2379, 91789), (3477, 62803), (4831, 45201), (14493, 15067)]