69819813

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6481}}^1$

素因数の和:6519

約数の個数: 40

約数和(自身を含む): 125491520

約数和(自身を除く): 55671707

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 6481, 10773, 19443, 45367, 58329, 123139, 136101, 174987, 369417, 408303, 524961, 861973, 1108251, 1224909, 2585919, 3324753, 3674727, 7757757, 9974259, 23273271, 69819813]

約数ペア:

[(1, 69819813), (3, 23273271), (7, 9974259), (9, 7757757), (19, 3674727), (21, 3324753), (27, 2585919), (57, 1224909), (63, 1108251), (81, 861973), (133, 524961), (171, 408303), (189, 369417), (399, 174987), (513, 136101), (567, 123139), (1197, 58329), (1539, 45367), (3591, 19443), (6481, 10773)]