28736700885

素因数分解:

$3^4\times 5^1\times {\mathrm{70954817}}^1$

素因数の和:70954834

約数の個数: 20

約数和(自身を含む): 51513197868

約数和(自身を除く): 22776496983

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70954817, 212864451, 354774085, 638593353, 1064322255, 1915780059, 3192966765, 5747340177, 9578900295, 28736700885]

約数ペア:

[(1, 28736700885), (3, 9578900295), (5, 5747340177), (9, 3192966765), (15, 1915780059), (27, 1064322255), (45, 638593353), (81, 354774085), (135, 212864451), (405, 70954817)]