7757415

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 14551680

約数和(自身を除く): 6794265

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 211, 215, 285, 387, 633, 645, 817, 855, 1055, 1899, 1935, 2451, 3165, 4009, 4085, 7353, 9073, 9495, 12027, 12255, 20045, 27219, 36081, 36765, 45365, 60135, 81657, 136095, 172387, 180405, 408285, 517161, 861935, 1551483, 2585805, 7757415]

約数ペア:

[(1, 7757415), (3, 2585805), (5, 1551483), (9, 861935), (15, 517161), (19, 408285), (43, 180405), (45, 172387), (57, 136095), (95, 81657), (129, 60135), (171, 45365), (211, 36765), (215, 36081), (285, 27219), (387, 20045), (633, 12255), (645, 12027), (817, 9495), (855, 9073), (1055, 7353), (1899, 4085), (1935, 4009), (2451, 3165)]