13356225

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 25117440

約数和(自身を除く): 11761215

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 421, 423, 675, 705, 1175, 1263, 1269, 2105, 2115, 3525, 3789, 6315, 6345, 10525, 10575, 11367, 18945, 19787, 31575, 31725, 56835, 59361, 94725, 98935, 178083, 284175, 296805, 494675, 534249, 890415, 1484025, 2671245, 4452075, 13356225]

約数ペア:

[(1, 13356225), (3, 4452075), (5, 2671245), (9, 1484025), (15, 890415), (25, 534249), (27, 494675), (45, 296805), (47, 284175), (75, 178083), (135, 98935), (141, 94725), (225, 59361), (235, 56835), (421, 31725), (423, 31575), (675, 19787), (705, 18945), (1175, 11367), (1263, 10575), (1269, 10525), (2105, 6345), (2115, 6315), (3525, 3789)]