8216721

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:331

約数の個数: 30

約数和(自身を含む): 13000482

約数和(自身を除く): 4783761

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 281, 361, 513, 843, 1083, 1539, 2529, 3249, 5339, 7587, 9747, 16017, 22761, 29241, 48051, 101441, 144153, 304323, 432459, 912969, 2738907, 8216721]

約数ペア:

[(1, 8216721), (3, 2738907), (9, 912969), (19, 432459), (27, 304323), (57, 144153), (81, 101441), (171, 48051), (281, 29241), (361, 22761), (513, 16017), (843, 9747), (1083, 7587), (1539, 5339), (2529, 3249)]