28054545

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 47606400

約数和(自身を除く): 19551855

約数列:

[1, 3, 5, 15, 19, 57, 95, 173, 285, 519, 569, 865, 1707, 2595, 2845, 3287, 8535, 9861, 10811, 16435, 32433, 49305, 54055, 98437, 162165, 295311, 492185, 1476555, 1870303, 5610909, 9351515, 28054545]

約数ペア:

[(1, 28054545), (3, 9351515), (5, 5610909), (15, 1870303), (19, 1476555), (57, 492185), (95, 295311), (173, 162165), (285, 98437), (519, 54055), (569, 49305), (865, 32433), (1707, 16435), (2595, 10811), (2845, 9861), (3287, 8535)]