25277733

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 42194880

約数和(自身を除く): 16917147

約数列:

[1, 3, 9, 13, 19, 39, 57, 83, 117, 137, 171, 247, 249, 411, 741, 747, 1079, 1233, 1577, 1781, 2223, 2603, 3237, 4731, 5343, 7809, 9711, 11371, 14193, 16029, 20501, 23427, 33839, 34113, 61503, 101517, 102339, 147823, 184509, 216049, 304551, 443469, 648147, 1330407, 1944441, 2808637, 8425911, 25277733]

約数ペア:

[(1, 25277733), (3, 8425911), (9, 2808637), (13, 1944441), (19, 1330407), (39, 648147), (57, 443469), (83, 304551), (117, 216049), (137, 184509), (171, 147823), (247, 102339), (249, 101517), (411, 61503), (741, 34113), (747, 33839), (1079, 23427), (1233, 20501), (1577, 16029), (1781, 14193), (2223, 11371), (2603, 9711), (3237, 7809), (4731, 5343)]