8909271

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 16030080

約数和(自身を除く): 7120809

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 827, 1197, 1539, 2481, 3591, 5789, 7443, 10773, 15713, 17367, 22329, 47139, 52101, 66987, 109991, 141417, 156303, 329973, 424251, 468909, 989919, 1272753, 2969757, 8909271]

約数ペア:

[(1, 8909271), (3, 2969757), (7, 1272753), (9, 989919), (19, 468909), (21, 424251), (27, 329973), (57, 156303), (63, 141417), (81, 109991), (133, 66987), (171, 52101), (189, 47139), (399, 22329), (513, 17367), (567, 15713), (827, 10773), (1197, 7443), (1539, 5789), (2481, 3591)]