81056367

素因数分解:

$3^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2039}}^1$

素因数の和:2683

約数の個数: 24

約数和(自身を含む): 134085120

約数和(自身を除く): 53028753

約数列:

[1, 3, 7, 9, 21, 63, 631, 1893, 2039, 4417, 5679, 6117, 13251, 14273, 18351, 39753, 42819, 128457, 1286609, 3859827, 9006263, 11579481, 27018789, 81056367]

約数ペア:

[(1, 81056367), (3, 27018789), (7, 11579481), (9, 9006263), (21, 3859827), (63, 1286609), (631, 128457), (1893, 42819), (2039, 39753), (4417, 18351), (5679, 14273), (6117, 13251)]