428710401

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{5519}}^1$

素因数の和:5675

約数の個数: 40

約数和(自身を含む): 737383680

約数和(自身を除く): 308673279

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 411, 567, 959, 1233, 2877, 3699, 5519, 8631, 11097, 16557, 25893, 38633, 49671, 77679, 115899, 149013, 347697, 447039, 756103, 1043091, 2268309, 3129273, 5292721, 6804927, 15878163, 20414781, 47634489, 61244343, 142903467, 428710401]

約数ペア:

[(1, 428710401), (3, 142903467), (7, 61244343), (9, 47634489), (21, 20414781), (27, 15878163), (63, 6804927), (81, 5292721), (137, 3129273), (189, 2268309), (411, 1043091), (567, 756103), (959, 447039), (1233, 347697), (2877, 149013), (3699, 115899), (5519, 77679), (8631, 49671), (11097, 38633), (16557, 25893)]