81876585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{353}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 153403776

約数和(自身を除く): 71527191

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 353, 705, 987, 1059, 1645, 1765, 2209, 2471, 4935, 5295, 6627, 7413, 11045, 12355, 15463, 16591, 33135, 37065, 46389, 49773, 77315, 82955, 116137, 231945, 248865, 348411, 580685, 779777, 1742055, 2339331, 3898885, 5458439, 11696655, 16375317, 27292195, 81876585]

約数ペア:

[(1, 81876585), (3, 27292195), (5, 16375317), (7, 11696655), (15, 5458439), (21, 3898885), (35, 2339331), (47, 1742055), (105, 779777), (141, 580685), (235, 348411), (329, 248865), (353, 231945), (705, 116137), (987, 82955), (1059, 77315), (1645, 49773), (1765, 46389), (2209, 37065), (2471, 33135), (4935, 16591), (5295, 15463), (6627, 12355), (7413, 11045)]