71827581

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{25717}}^1$

素因数の和:25753

約数の個数: 24

約数和(自身を含む): 117274080

約数和(自身を除く): 45446499

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 25717, 77151, 180019, 488623, 540057, 1260133, 1465869, 3420361, 3780399, 10261083, 23942527, 71827581]

約数ペア:

[(1, 71827581), (3, 23942527), (7, 10261083), (19, 3780399), (21, 3420361), (49, 1465869), (57, 1260133), (133, 540057), (147, 488623), (399, 180019), (931, 77151), (2793, 25717)]