28286445

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{683}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 49641984

約数和(自身を除く): 21355539

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 251, 683, 753, 1255, 2049, 2761, 3415, 3765, 7513, 8283, 10245, 13805, 22539, 37565, 41415, 112695, 171433, 514299, 857165, 1885763, 2571495, 5657289, 9428815, 28286445]

約数ペア:

[(1, 28286445), (3, 9428815), (5, 5657289), (11, 2571495), (15, 1885763), (33, 857165), (55, 514299), (165, 171433), (251, 112695), (683, 41415), (753, 37565), (1255, 22539), (2049, 13805), (2761, 10245), (3415, 8283), (3765, 7513)]