12665025

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 24105600

約数和(自身を除く): 11440575

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 647, 675, 725, 783, 1305, 1941, 2175, 3235, 3915, 5823, 6525, 9705, 16175, 17469, 18763, 19575, 29115, 48525, 56289, 87345, 93815, 145575, 168867, 281445, 436725, 469075, 506601, 844335, 1407225, 2533005, 4221675, 12665025]

約数ペア:

[(1, 12665025), (3, 4221675), (5, 2533005), (9, 1407225), (15, 844335), (25, 506601), (27, 469075), (29, 436725), (45, 281445), (75, 168867), (87, 145575), (135, 93815), (145, 87345), (225, 56289), (261, 48525), (435, 29115), (647, 19575), (675, 18763), (725, 17469), (783, 16175), (1305, 9705), (1941, 6525), (2175, 5823), (3235, 3915)]