17971611

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 28435968

約数和(自身を除く): 10464357

約数列:

[1, 3, 7, 21, 53, 67, 159, 201, 241, 371, 469, 723, 1113, 1407, 1687, 3551, 5061, 10653, 12773, 16147, 24857, 38319, 48441, 74571, 89411, 113029, 268233, 339087, 855791, 2567373, 5990537, 17971611]

約数ペア:

[(1, 17971611), (3, 5990537), (7, 2567373), (21, 855791), (53, 339087), (67, 268233), (159, 113029), (201, 89411), (241, 74571), (371, 48441), (469, 38319), (723, 24857), (1113, 16147), (1407, 12773), (1687, 10653), (3551, 5061)]