1260441

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:57

約数の個数: 56

約数和(自身を含む): 2448320

約数和(自身を除く): 1187879

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 171, 189, 243, 247, 273, 351, 399, 513, 567, 729, 741, 819, 1053, 1197, 1539, 1701, 1729, 2223, 2457, 3159, 3591, 4617, 5103, 5187, 6669, 7371, 9477, 10773, 13851, 15561, 20007, 22113, 32319, 46683, 60021, 66339, 96957, 140049, 180063, 420147, 1260441]

約数ペア:

[(1, 1260441), (3, 420147), (7, 180063), (9, 140049), (13, 96957), (19, 66339), (21, 60021), (27, 46683), (39, 32319), (57, 22113), (63, 20007), (81, 15561), (91, 13851), (117, 10773), (133, 9477), (171, 7371), (189, 6669), (243, 5187), (247, 5103), (273, 4617), (351, 3591), (399, 3159), (513, 2457), (567, 2223), (729, 1729), (741, 1701), (819, 1539), (1053, 1197)]