28215759

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 16539441

約数列:

[1, 3, 11, 13, 33, 39, 89, 143, 267, 429, 739, 979, 1157, 2217, 2937, 3471, 8129, 9607, 12727, 24387, 28821, 38181, 65771, 105677, 197313, 317031, 723481, 855023, 2170443, 2565069, 9405253, 28215759]

約数ペア:

[(1, 28215759), (3, 9405253), (11, 2565069), (13, 2170443), (33, 855023), (39, 723481), (89, 317031), (143, 197313), (267, 105677), (429, 65771), (739, 38181), (979, 28821), (1157, 24387), (2217, 12727), (2937, 9607), (3471, 8129)]