81216849

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7019}}^1$

素因数の和:7077

約数の個数: 32

約数和(自身を含む): 134784000

約数和(自身を除く): 53567151

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 3857, 7019, 11571, 21057, 49133, 133361, 147399, 203551, 400083, 610653, 933527, 1424857, 2800581, 3867469, 4274571, 11602407, 27072283, 81216849]

約数ペア:

[(1, 81216849), (3, 27072283), (7, 11602407), (19, 4274571), (21, 3867469), (29, 2800581), (57, 1424857), (87, 933527), (133, 610653), (203, 400083), (399, 203551), (551, 147399), (609, 133361), (1653, 49133), (3857, 21057), (7019, 11571)]