225488109

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3889}}^1$

素因数の和:4161

約数の個数: 32

約数和(自身を含む): 376427520

約数和(自身を除く): 150939411

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 251, 753, 1757, 2761, 3889, 5271, 8283, 11667, 19327, 27223, 42779, 57981, 81669, 128337, 299453, 898359, 976139, 2928417, 6832973, 10737529, 20498919, 32212587, 75162703, 225488109]

約数ペア:

[(1, 225488109), (3, 75162703), (7, 32212587), (11, 20498919), (21, 10737529), (33, 6832973), (77, 2928417), (231, 976139), (251, 898359), (753, 299453), (1757, 128337), (2761, 81669), (3889, 57981), (5271, 42779), (8283, 27223), (11667, 19327)]