66128139

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2579}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 122353920

約数和(自身を除く): 56225781

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 777, 1221, 2331, 2579, 2849, 3663, 7737, 8547, 18053, 23211, 25641, 28369, 54159, 85107, 95423, 162477, 198583, 255321, 286269, 595749, 667961, 858807, 1049653, 1787247, 2003883, 3148959, 6011649, 7347571, 9446877, 22042713, 66128139]

約数ペア:

[(1, 66128139), (3, 22042713), (7, 9446877), (9, 7347571), (11, 6011649), (21, 3148959), (33, 2003883), (37, 1787247), (63, 1049653), (77, 858807), (99, 667961), (111, 595749), (231, 286269), (259, 255321), (333, 198583), (407, 162477), (693, 95423), (777, 85107), (1221, 54159), (2331, 28369), (2579, 25641), (2849, 23211), (3663, 18053), (7737, 8547)]