26989443

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 60

約数和(自身を含む): 46469808

約数和(自身を除く): 19480365

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 71, 81, 117, 171, 213, 247, 351, 361, 513, 639, 741, 923, 1053, 1083, 1349, 1539, 1917, 2223, 2769, 3249, 4047, 4693, 5751, 6669, 8307, 9747, 12141, 14079, 17537, 20007, 24921, 25631, 29241, 36423, 42237, 52611, 74763, 76893, 109269, 126711, 157833, 230679, 333203, 380133, 473499, 692037, 999609, 1420497, 2076111, 2998827, 8996481, 26989443]

約数ペア:

[(1, 26989443), (3, 8996481), (9, 2998827), (13, 2076111), (19, 1420497), (27, 999609), (39, 692037), (57, 473499), (71, 380133), (81, 333203), (117, 230679), (171, 157833), (213, 126711), (247, 109269), (351, 76893), (361, 74763), (513, 52611), (639, 42237), (741, 36423), (923, 29241), (1053, 25631), (1083, 24921), (1349, 20007), (1539, 17537), (1917, 14079), (2223, 12141), (2769, 9747), (3249, 8307), (4047, 6669), (4693, 5751)]