26959569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 48416256

約数和(自身を除く): 21456687

約数列:

[1, 3, 7, 13, 17, 21, 37, 39, 51, 91, 111, 119, 157, 221, 259, 273, 357, 471, 481, 629, 663, 777, 1099, 1443, 1547, 1887, 2041, 2669, 3297, 3367, 4403, 4641, 5809, 6123, 8007, 8177, 10101, 13209, 14287, 17427, 18683, 24531, 34697, 40663, 42861, 56049, 57239, 75517, 98753, 104091, 121989, 171717, 226551, 242879, 296259, 528619, 691271, 728637, 1283789, 1585857, 2073813, 3851367, 8986523, 26959569]

約数ペア:

[(1, 26959569), (3, 8986523), (7, 3851367), (13, 2073813), (17, 1585857), (21, 1283789), (37, 728637), (39, 691271), (51, 528619), (91, 296259), (111, 242879), (119, 226551), (157, 171717), (221, 121989), (259, 104091), (273, 98753), (357, 75517), (471, 57239), (481, 56049), (629, 42861), (663, 40663), (777, 34697), (1099, 24531), (1443, 18683), (1547, 17427), (1887, 14287), (2041, 13209), (2669, 10101), (3297, 8177), (3367, 8007), (4403, 6123), (4641, 5809)]