40721769

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21649}}^1$

素因数の和:21685

約数の個数: 24

約数和(自身を含む): 67548000

約数和(自身を除く): 26826231

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 21649, 64947, 194841, 238139, 411331, 714417, 1233993, 2143251, 3701979, 4524641, 13573923, 40721769]

約数ペア:

[(1, 40721769), (3, 13573923), (9, 4524641), (11, 3701979), (19, 2143251), (33, 1233993), (57, 714417), (99, 411331), (171, 238139), (209, 194841), (627, 64947), (1881, 21649)]