68639055

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 111919104

約数和(自身を除く): 43280049

約数列:

[1, 3, 5, 15, 127, 137, 263, 381, 411, 635, 685, 789, 1315, 1905, 2055, 3945, 17399, 33401, 36031, 52197, 86995, 100203, 108093, 167005, 180155, 260985, 501015, 540465, 4575937, 13727811, 22879685, 68639055]

約数ペア:

[(1, 68639055), (3, 22879685), (5, 13727811), (15, 4575937), (127, 540465), (137, 501015), (263, 260985), (381, 180155), (411, 167005), (635, 108093), (685, 100203), (789, 86995), (1315, 52197), (1905, 36031), (2055, 33401), (3945, 17399)]