248577

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 24

約数和(自身を含む): 410400

約数和(自身を除く): 161823

約数列:

[1, 3, 7, 19, 21, 49, 57, 89, 133, 147, 267, 399, 623, 931, 1691, 1869, 2793, 4361, 5073, 11837, 13083, 35511, 82859, 248577]

約数ペア:

[(1, 248577), (3, 82859), (7, 35511), (19, 13083), (21, 11837), (49, 5073), (57, 4361), (89, 2793), (133, 1869), (147, 1691), (267, 931), (399, 623)]