28054719

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40483}}^1$

素因数の和:40507

約数の個数: 24

約数和(自身を含む): 50524032

約数和(自身を除く): 22469313

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40483, 121449, 283381, 364347, 445313, 850143, 1335939, 2550429, 3117191, 4007817, 9351573, 28054719]

約数ペア:

[(1, 28054719), (3, 9351573), (7, 4007817), (9, 3117191), (11, 2550429), (21, 1335939), (33, 850143), (63, 445313), (77, 364347), (99, 283381), (231, 121449), (693, 40483)]