72669555

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{25633}}^1$

素因数の和:25657

約数の個数: 40

約数和(自身を含む): 148882272

約数和(自身を除く): 76212717

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 25633, 76899, 128165, 179431, 230697, 384495, 538293, 692091, 897155, 1153485, 1614879, 2076273, 2691465, 3460455, 4844637, 8074395, 10381365, 14533911, 24223185, 72669555]

約数ペア:

[(1, 72669555), (3, 24223185), (5, 14533911), (7, 10381365), (9, 8074395), (15, 4844637), (21, 3460455), (27, 2691465), (35, 2076273), (45, 1614879), (63, 1153485), (81, 897155), (105, 692091), (135, 538293), (189, 384495), (315, 230697), (405, 179431), (567, 128165), (945, 76899), (2835, 25633)]