291227223

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{827}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 456261120

約数和(自身を除く): 165033897

約数列:

[1, 3, 7, 21, 41, 123, 287, 409, 827, 861, 1227, 2481, 2863, 5789, 8589, 16769, 17367, 33907, 50307, 101721, 117383, 237349, 338243, 352149, 712047, 1014729, 2367701, 7103103, 13867963, 41603889, 97075741, 291227223]

約数ペア:

[(1, 291227223), (3, 97075741), (7, 41603889), (21, 13867963), (41, 7103103), (123, 2367701), (287, 1014729), (409, 712047), (827, 352149), (861, 338243), (1227, 237349), (2481, 117383), (2863, 101721), (5789, 50307), (8589, 33907), (16769, 17367)]