1278394755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2731}}^1\times {\mathrm{2837}}^1$

素因数の和:5587

約数の個数: 32

約数和(自身を含む): 2232983808

約数和(自身を除く): 954589053

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 2731, 2837, 8193, 8511, 13655, 14185, 30041, 31207, 40965, 42555, 90123, 93621, 150205, 156035, 450615, 468105, 7747847, 23243541, 38739235, 85226317, 116217705, 255678951, 426131585, 1278394755]

約数ペア:

[(1, 1278394755), (3, 426131585), (5, 255678951), (11, 116217705), (15, 85226317), (33, 38739235), (55, 23243541), (165, 7747847), (2731, 468105), (2837, 450615), (8193, 156035), (8511, 150205), (13655, 93621), (14185, 90123), (30041, 42555), (31207, 40965)]