27747765

素因数分解:

$3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 50215968

約数和(自身を除く): 22468203

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 393, 405, 523, 655, 1179, 1569, 1965, 2615, 3537, 4707, 5895, 7845, 10611, 14121, 17685, 23535, 42363, 53055, 68513, 70605, 205539, 211815, 342565, 616617, 1027695, 1849851, 3083085, 5549553, 9249255, 27747765]

約数ペア:

[(1, 27747765), (3, 9249255), (5, 5549553), (9, 3083085), (15, 1849851), (27, 1027695), (45, 616617), (81, 342565), (131, 211815), (135, 205539), (393, 70605), (405, 68513), (523, 53055), (655, 42363), (1179, 23535), (1569, 17685), (1965, 14121), (2615, 10611), (3537, 7845), (4707, 5895)]