81464799

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 135475200

約数和(自身を除く): 54010401

約数列:

[1, 3, 13, 17, 19, 29, 39, 51, 57, 87, 221, 223, 247, 323, 377, 493, 551, 663, 669, 741, 969, 1131, 1479, 1653, 2899, 3791, 4199, 4237, 6409, 6467, 7163, 8697, 9367, 11373, 12597, 12711, 19227, 19401, 21489, 28101, 49283, 55081, 72029, 84071, 109939, 121771, 122873, 147849, 165243, 216087, 252213, 329817, 365313, 368619, 936377, 1429207, 1597349, 2088841, 2809131, 4287621, 4792047, 6266523, 27154933, 81464799]

約数ペア:

[(1, 81464799), (3, 27154933), (13, 6266523), (17, 4792047), (19, 4287621), (29, 2809131), (39, 2088841), (51, 1597349), (57, 1429207), (87, 936377), (221, 368619), (223, 365313), (247, 329817), (323, 252213), (377, 216087), (493, 165243), (551, 147849), (663, 122873), (669, 121771), (741, 109939), (969, 84071), (1131, 72029), (1479, 55081), (1653, 49283), (2899, 28101), (3791, 21489), (4199, 19401), (4237, 19227), (6409, 12711), (6467, 12597), (7163, 11373), (8697, 9367)]