28634151

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1979}}^1$

素因数の和:2055

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19266009

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 1979, 2067, 4823, 5937, 13853, 14469, 25727, 41559, 77181, 104887, 180089, 314661, 540267, 734209, 1363531, 2202627, 4090593, 9544717, 28634151]

約数ペア:

[(1, 28634151), (3, 9544717), (7, 4090593), (13, 2202627), (21, 1363531), (39, 734209), (53, 540267), (91, 314661), (159, 180089), (273, 104887), (371, 77181), (689, 41559), (1113, 25727), (1979, 14469), (2067, 13853), (4823, 5937)]