25743081

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 45326400

約数和(自身を除く): 19583319

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 709, 741, 931, 1729, 1911, 2127, 2793, 4963, 5187, 9217, 12103, 13471, 14889, 27651, 34741, 36309, 40413, 64519, 94297, 104223, 175123, 193557, 282891, 451633, 525369, 660079, 1225861, 1354899, 1980237, 3677583, 8581027, 25743081]

約数ペア:

[(1, 25743081), (3, 8581027), (7, 3677583), (13, 1980237), (19, 1354899), (21, 1225861), (39, 660079), (49, 525369), (57, 451633), (91, 282891), (133, 193557), (147, 175123), (247, 104223), (273, 94297), (399, 64519), (637, 40413), (709, 36309), (741, 34741), (931, 27651), (1729, 14889), (1911, 13471), (2127, 12103), (2793, 9217), (4963, 5187)]