207855291

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{1069}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 325416960

約数和(自身を除く): 117561669

約数列:

[1, 3, 7, 21, 47, 141, 197, 329, 591, 987, 1069, 1379, 3207, 4137, 7483, 9259, 22449, 27777, 50243, 64813, 150729, 194439, 210593, 351701, 631779, 1055103, 1474151, 4422453, 9897871, 29693613, 69285097, 207855291]

約数ペア:

[(1, 207855291), (3, 69285097), (7, 29693613), (21, 9897871), (47, 4422453), (141, 1474151), (197, 1055103), (329, 631779), (591, 351701), (987, 210593), (1069, 194439), (1379, 150729), (3207, 64813), (4137, 50243), (7483, 27777), (9259, 22449)]