212319723

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6709}}^1$

素因数の和:6867

約数の個数: 32

約数和(自身を含む): 355576320

約数和(自身を除く): 143256597

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2877, 4521, 6709, 10549, 20127, 31647, 46963, 73799, 140889, 221397, 516593, 919133, 1549779, 2757399, 6433931, 10110463, 19301793, 30331389, 70773241, 212319723]

約数ペア:

[(1, 212319723), (3, 70773241), (7, 30331389), (11, 19301793), (21, 10110463), (33, 6433931), (77, 2757399), (137, 1549779), (231, 919133), (411, 516593), (959, 221397), (1507, 140889), (2877, 73799), (4521, 46963), (6709, 31647), (10549, 20127)]