19354221

素因数分解:

$3^6\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 28

約数和(自身を含む): 29379840

約数和(自身を除く): 10025619

約数列:

[1, 3, 9, 27, 81, 139, 191, 243, 417, 573, 729, 1251, 1719, 3753, 5157, 11259, 15471, 26549, 33777, 46413, 79647, 101331, 139239, 238941, 716823, 2150469, 6451407, 19354221]

約数ペア:

[(1, 19354221), (3, 6451407), (9, 2150469), (27, 716823), (81, 238941), (139, 139239), (191, 101331), (243, 79647), (417, 46413), (573, 33777), (729, 26549), (1251, 15471), (1719, 11259), (3753, 5157)]