81069549

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 133705728

約数和(自身を除く): 52636179

約数列:

[1, 3, 11, 17, 23, 33, 51, 61, 69, 103, 183, 187, 253, 309, 391, 561, 671, 759, 1037, 1133, 1173, 1403, 1751, 2013, 2369, 3111, 3399, 4209, 4301, 5253, 6283, 7107, 11407, 12903, 15433, 18849, 19261, 23851, 26059, 34221, 40273, 46299, 57783, 69113, 71553, 78177, 106811, 120819, 144509, 207339, 262361, 320433, 433527, 443003, 787083, 1174921, 1329009, 1589599, 2456653, 3524763, 4768797, 7369959, 27023183, 81069549]

約数ペア:

[(1, 81069549), (3, 27023183), (11, 7369959), (17, 4768797), (23, 3524763), (33, 2456653), (51, 1589599), (61, 1329009), (69, 1174921), (103, 787083), (183, 443003), (187, 433527), (253, 320433), (309, 262361), (391, 207339), (561, 144509), (671, 120819), (759, 106811), (1037, 78177), (1133, 71553), (1173, 69113), (1403, 57783), (1751, 46299), (2013, 40273), (2369, 34221), (3111, 26059), (3399, 23851), (4209, 19261), (4301, 18849), (5253, 15433), (6283, 12903), (7107, 11407)]