28975155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2621}}^1$

素因数の和:2707

約数の個数: 32

約数和(自身を含む): 51349248

約数和(自身を除く): 22374093

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 165, 201, 335, 737, 1005, 2211, 2621, 3685, 7863, 11055, 13105, 28831, 39315, 86493, 144155, 175607, 432465, 526821, 878035, 1931677, 2634105, 5795031, 9658385, 28975155]

約数ペア:

[(1, 28975155), (3, 9658385), (5, 5795031), (11, 2634105), (15, 1931677), (33, 878035), (55, 526821), (67, 432465), (165, 175607), (201, 144155), (335, 86493), (737, 39315), (1005, 28831), (2211, 13105), (2621, 11055), (3685, 7863)]