216970719

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{23011}}^1$

素因数の和:23470

約数の個数: 16

約数和(自身を含む): 331372800

約数和(自身を除く): 114402081

約数列:

[1, 3, 7, 21, 449, 1347, 3143, 9429, 23011, 69033, 161077, 483231, 10331939, 30995817, 72323573, 216970719]

約数ペア:

[(1, 216970719), (3, 72323573), (7, 30995817), (21, 10331939), (449, 483231), (1347, 161077), (3143, 69033), (9429, 23011)]