2660931

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:70

約数の個数: 60

約数和(自身を含む): 5163312

約数和(自身を除く): 2502381

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 171, 189, 247, 273, 351, 361, 399, 513, 567, 741, 819, 1053, 1083, 1197, 1539, 1729, 2223, 2457, 2527, 3249, 3591, 4693, 5187, 6669, 7371, 7581, 9747, 10773, 14079, 15561, 20007, 22743, 29241, 32851, 42237, 46683, 68229, 98553, 126711, 140049, 204687, 295659, 380133, 886977, 2660931]

約数ペア:

[(1, 2660931), (3, 886977), (7, 380133), (9, 295659), (13, 204687), (19, 140049), (21, 126711), (27, 98553), (39, 68229), (57, 46683), (63, 42237), (81, 32851), (91, 29241), (117, 22743), (133, 20007), (171, 15561), (189, 14079), (247, 10773), (273, 9747), (351, 7581), (361, 7371), (399, 6669), (513, 5187), (567, 4693), (741, 3591), (819, 3249), (1053, 2527), (1083, 2457), (1197, 2223), (1539, 1729)]