3861837

素因数分解:

$3^4\times 7^3\times {\mathrm{139}}^1$

素因数の和:172

約数の個数: 40

約数和(自身を含む): 6776000

約数和(自身を除く): 2914163

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 139, 147, 189, 343, 417, 441, 567, 973, 1029, 1251, 1323, 2919, 3087, 3753, 3969, 6811, 8757, 9261, 11259, 20433, 26271, 27783, 47677, 61299, 78813, 143031, 183897, 429093, 551691, 1287279, 3861837]

約数ペア:

[(1, 3861837), (3, 1287279), (7, 551691), (9, 429093), (21, 183897), (27, 143031), (49, 78813), (63, 61299), (81, 47677), (139, 27783), (147, 26271), (189, 20433), (343, 11259), (417, 9261), (441, 8757), (567, 6811), (973, 3969), (1029, 3753), (1251, 3087), (1323, 2919)]