981033459

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 1554069888

約数和(自身を除く): 573036429

約数列:

[1, 3, 7, 21, 49, 97, 107, 147, 291, 321, 643, 679, 749, 1929, 2037, 2247, 4501, 4753, 5243, 10379, 13503, 14259, 15729, 31137, 31507, 62371, 68801, 72653, 94521, 187113, 206403, 217959, 436597, 481607, 508571, 1309791, 1444821, 1525713, 3056179, 3371249, 6673697, 9168537, 10113747, 20021091, 46715879, 140147637, 327011153, 981033459]

約数ペア:

[(1, 981033459), (3, 327011153), (7, 140147637), (21, 46715879), (49, 20021091), (97, 10113747), (107, 9168537), (147, 6673697), (291, 3371249), (321, 3056179), (643, 1525713), (679, 1444821), (749, 1309791), (1929, 508571), (2037, 481607), (2247, 436597), (4501, 217959), (4753, 206403), (5243, 187113), (10379, 94521), (13503, 72653), (14259, 68801), (15729, 62371), (31137, 31507)]