216152391

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14939}}^1$

素因数の和:15015

約数の個数: 32

約数和(自身を含む): 361428480

約数和(自身を除く): 145276089

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 4823, 14469, 14939, 44817, 104573, 194207, 313719, 582621, 791767, 1359449, 2375301, 4078347, 5542369, 10292971, 16627107, 30878913, 72050797, 216152391]

約数ペア:

[(1, 216152391), (3, 72050797), (7, 30878913), (13, 16627107), (21, 10292971), (39, 5542369), (53, 4078347), (91, 2375301), (159, 1359449), (273, 791767), (371, 582621), (689, 313719), (1113, 194207), (2067, 104573), (4823, 44817), (14469, 14939)]