38971287

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 60821376

約数和(自身を除く): 21850089

約数列:

[1, 3, 9, 27, 43, 67, 81, 129, 167, 201, 387, 501, 603, 1161, 1503, 1809, 2881, 3483, 4509, 5427, 7181, 8643, 11189, 13527, 21543, 25929, 33567, 64629, 77787, 100701, 193887, 233361, 302103, 481127, 581661, 906309, 1443381, 4330143, 12990429, 38971287]

約数ペア:

[(1, 38971287), (3, 12990429), (9, 4330143), (27, 1443381), (43, 906309), (67, 581661), (81, 481127), (129, 302103), (167, 233361), (201, 193887), (387, 100701), (501, 77787), (603, 64629), (1161, 33567), (1503, 25929), (1809, 21543), (2881, 13527), (3483, 11189), (4509, 8643), (5427, 7181)]