28355613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 44806272

約数和(自身を除く): 16450659

約数列:

[1, 3, 11, 13, 33, 39, 143, 157, 421, 429, 471, 1263, 1727, 2041, 4631, 5181, 5473, 6123, 13893, 16419, 22451, 60203, 66097, 67353, 180609, 198291, 727067, 859261, 2181201, 2577783, 9451871, 28355613]

約数ペア:

[(1, 28355613), (3, 9451871), (11, 2577783), (13, 2181201), (33, 859261), (39, 727067), (143, 198291), (157, 180609), (421, 67353), (429, 66097), (471, 60203), (1263, 22451), (1727, 16419), (2041, 13893), (4631, 6123), (5181, 5473)]