207855207

素因数分解:

$3^3\times 7^2\times {\mathrm{157109}}^1$

素因数の和:157132

約数の個数: 24

約数和(自身を含む): 358210800

約数和(自身を除く): 150355593

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 157109, 471327, 1099763, 1413981, 3299289, 4241943, 7698341, 9897867, 23095023, 29693601, 69285069, 207855207]

約数ペア:

[(1, 207855207), (3, 69285069), (7, 29693601), (9, 23095023), (21, 9897867), (27, 7698341), (49, 4241943), (63, 3299289), (147, 1413981), (189, 1099763), (441, 471327), (1323, 157109)]