28406121

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13469}}^1$

素因数の和:13528

約数の個数: 16

約数和(自身を含む): 40948800

約数和(自身を除く): 12542679

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 13469, 40407, 255911, 498353, 767733, 1495059, 9468707, 28406121]

約数ペア:

[(1, 28406121), (3, 9468707), (19, 1495059), (37, 767733), (57, 498353), (111, 255911), (703, 40407), (2109, 13469)]