40399947

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33751}}^1$

素因数の和:33783

約数の個数: 24

約数和(自身を含む): 70204160

約数和(自身を除く): 29804213

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 33751, 101253, 236257, 303759, 641269, 708771, 1923807, 2126313, 4488883, 5771421, 13466649, 40399947]

約数ペア:

[(1, 40399947), (3, 13466649), (7, 5771421), (9, 4488883), (19, 2126313), (21, 1923807), (57, 708771), (63, 641269), (133, 303759), (171, 236257), (399, 101253), (1197, 33751)]