64128705

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2711}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 109347840

約数和(自身を除く): 45219135

約数列:

[1, 3, 5, 15, 19, 57, 83, 95, 249, 285, 415, 1245, 1577, 2711, 4731, 7885, 8133, 13555, 23655, 40665, 51509, 154527, 225013, 257545, 675039, 772635, 1125065, 3375195, 4275247, 12825741, 21376235, 64128705]

約数ペア:

[(1, 64128705), (3, 21376235), (5, 12825741), (15, 4275247), (19, 3375195), (57, 1125065), (83, 772635), (95, 675039), (249, 257545), (285, 225013), (415, 154527), (1245, 51509), (1577, 40665), (2711, 23655), (4731, 13555), (7885, 8133)]