2181613329

素因数分解:

$3^2\times 7^2\times {\mathrm{683}}^1\times {\mathrm{7243}}^1$

素因数の和:7946

約数の個数: 36

約数和(自身を含む): 3671577936

約数和(自身を除く): 1489964607

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 683, 2049, 4781, 6147, 7243, 14343, 21729, 33467, 43029, 50701, 65187, 100401, 152103, 301203, 354907, 456309, 1064721, 3194163, 4946969, 14840907, 34628783, 44522721, 103886349, 242401481, 311659047, 727204443, 2181613329]

約数ペア:

[(1, 2181613329), (3, 727204443), (7, 311659047), (9, 242401481), (21, 103886349), (49, 44522721), (63, 34628783), (147, 14840907), (441, 4946969), (683, 3194163), (2049, 1064721), (4781, 456309), (6147, 354907), (7243, 301203), (14343, 152103), (21729, 100401), (33467, 65187), (43029, 50701)]