219843963

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{5939}}^1$

素因数の和:6408

約数の個数: 20

約数和(自身を含む): 329182920

約数和(自身を除く): 109338957

約数列:

[1, 3, 9, 27, 81, 457, 1371, 4113, 5939, 12339, 17817, 37017, 53451, 160353, 481059, 2714123, 8142369, 24427107, 73281321, 219843963]

約数ペア:

[(1, 219843963), (3, 73281321), (9, 24427107), (27, 8142369), (81, 2714123), (457, 481059), (1371, 160353), (4113, 53451), (5939, 37017), (12339, 17817)]