187131

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:103

約数の個数: 24

約数和(自身を含む): 310080

約数和(自身を除く): 122949

約数列:

[1, 3, 7, 19, 21, 49, 57, 67, 133, 147, 201, 399, 469, 931, 1273, 1407, 2793, 3283, 3819, 8911, 9849, 26733, 62377, 187131]

約数ペア:

[(1, 187131), (3, 62377), (7, 26733), (19, 9849), (21, 8911), (49, 3819), (57, 3283), (67, 2793), (133, 1407), (147, 1273), (201, 931), (399, 469)]