2002581

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 36

約数和(自身を含む): 3556800

約数和(自身を除く): 1554219

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 239, 399, 441, 717, 931, 1197, 1673, 2151, 2793, 4541, 5019, 8379, 11711, 13623, 15057, 31787, 35133, 40869, 95361, 105399, 222509, 286083, 667527, 2002581]

約数ペア:

[(1, 2002581), (3, 667527), (7, 286083), (9, 222509), (19, 105399), (21, 95361), (49, 40869), (57, 35133), (63, 31787), (133, 15057), (147, 13623), (171, 11711), (239, 8379), (399, 5019), (441, 4541), (717, 2793), (931, 2151), (1197, 1673)]