25874433

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 42602560

約数和(自身を除く): 16728127

約数列:

[1, 3, 9, 13, 37, 39, 43, 111, 117, 129, 139, 333, 387, 417, 481, 559, 1251, 1443, 1591, 1677, 1807, 4329, 4773, 5031, 5143, 5421, 5977, 14319, 15429, 16263, 17931, 20683, 46287, 53793, 62049, 66859, 77701, 186147, 200577, 221149, 233103, 601731, 663447, 699309, 1990341, 2874937, 8624811, 25874433]

約数ペア:

[(1, 25874433), (3, 8624811), (9, 2874937), (13, 1990341), (37, 699309), (39, 663447), (43, 601731), (111, 233103), (117, 221149), (129, 200577), (139, 186147), (333, 77701), (387, 66859), (417, 62049), (481, 53793), (559, 46287), (1251, 20683), (1443, 17931), (1591, 16263), (1677, 15429), (1807, 14319), (4329, 5977), (4773, 5421), (5031, 5143)]