42281967

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2623

約数の個数: 32

約数和(自身を含む): 70551040

約数和(自身を除く): 28269073

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1281, 2379, 2539, 5551, 7617, 16653, 17773, 33007, 53319, 99021, 154879, 231049, 464637, 693147, 1084153, 2013427, 3252459, 6040281, 14093989, 42281967]

約数ペア:

[(1, 42281967), (3, 14093989), (7, 6040281), (13, 3252459), (21, 2013427), (39, 1084153), (61, 693147), (91, 464637), (183, 231049), (273, 154879), (427, 99021), (793, 53319), (1281, 33007), (2379, 17773), (2539, 16653), (5551, 7617)]