664692561

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33223}}^1$

素因数の和:33267

約数の個数: 40

約数和(自身を含む): 1125629120

約数和(自身を除く): 460936559

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 6669, 20007, 33223, 99669, 299007, 431899, 631237, 897021, 1295697, 1893711, 2691063, 3887091, 5681133, 8206081, 11661273, 17043399, 24618243, 34983819, 51130197, 73854729, 221564187, 664692561]

約数ペア:

[(1, 664692561), (3, 221564187), (9, 73854729), (13, 51130197), (19, 34983819), (27, 24618243), (39, 17043399), (57, 11661273), (81, 8206081), (117, 5681133), (171, 3887091), (247, 2691063), (351, 1893711), (513, 1295697), (741, 897021), (1053, 631237), (1539, 431899), (2223, 299007), (6669, 99669), (20007, 33223)]