28405323

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{18457}}^1$

素因数の和:18488

約数の個数: 20

約数和(自身を含む): 44668360

約数和(自身を除く): 16263037

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 18457, 55371, 166113, 350683, 498339, 1052049, 1495017, 3156147, 9468441, 28405323]

約数ペア:

[(1, 28405323), (3, 9468441), (9, 3156147), (19, 1495017), (27, 1052049), (57, 498339), (81, 350683), (171, 166113), (513, 55371), (1539, 18457)]