280433517

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 471062592

約数和(自身を除く): 190629075

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 257, 273, 571, 637, 771, 1713, 1799, 1911, 3341, 3997, 5397, 7423, 10023, 11991, 12593, 22269, 23387, 27979, 37779, 51961, 70161, 83937, 146747, 155883, 163709, 363727, 440241, 491127, 1027229, 1091181, 1907711, 3081687, 5723133, 7190603, 13353977, 21571809, 40061931, 93477839, 280433517]

約数ペア:

[(1, 280433517), (3, 93477839), (7, 40061931), (13, 21571809), (21, 13353977), (39, 7190603), (49, 5723133), (91, 3081687), (147, 1907711), (257, 1091181), (273, 1027229), (571, 491127), (637, 440241), (771, 363727), (1713, 163709), (1799, 155883), (1911, 146747), (3341, 83937), (3997, 70161), (5397, 51961), (7423, 37779), (10023, 27979), (11991, 23387), (12593, 22269)]