28249767

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2029}}^1$

素因数の和:2072

約数の個数: 48

約数和(自身を含む): 53202240

約数和(自身を除く): 24952473

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 2029, 4641, 6087, 13923, 14203, 18261, 26377, 34493, 42609, 79131, 103479, 127827, 184639, 237393, 241451, 310437, 448409, 553917, 724353, 1345227, 1661751, 2173059, 3138863, 4035681, 9416589, 28249767]

約数ペア:

[(1, 28249767), (3, 9416589), (7, 4035681), (9, 3138863), (13, 2173059), (17, 1661751), (21, 1345227), (39, 724353), (51, 553917), (63, 448409), (91, 310437), (117, 241451), (119, 237393), (153, 184639), (221, 127827), (273, 103479), (357, 79131), (663, 42609), (819, 34493), (1071, 26377), (1547, 18261), (1989, 14203), (2029, 13923), (4641, 6087)]