80997

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 136800

約数和(自身を除く): 55803

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 133, 147, 203, 399, 551, 609, 931, 1421, 1653, 2793, 3857, 4263, 11571, 26999, 80997]

約数ペア:

[(1, 80997), (3, 26999), (7, 11571), (19, 4263), (21, 3857), (29, 2793), (49, 1653), (57, 1421), (87, 931), (133, 609), (147, 551), (203, 399)]