210823431

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{110321}}^1$

素因数の和:110351

約数の個数: 24

約数和(自身を含む): 352147824

約数和(自身を除く): 141324393

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 110321, 330963, 772247, 1434173, 2316741, 4302519, 5405729, 10039211, 16217187, 30117633, 70274477, 210823431]

約数ペア:

[(1, 210823431), (3, 70274477), (7, 30117633), (13, 16217187), (21, 10039211), (39, 5405729), (49, 4302519), (91, 2316741), (147, 1434173), (273, 772247), (637, 330963), (1911, 110321)]