26521341

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 20756739

約数列:

[1, 3, 7, 11, 21, 29, 33, 37, 77, 87, 107, 111, 203, 231, 259, 319, 321, 407, 609, 749, 777, 957, 1073, 1177, 1221, 2233, 2247, 2849, 3103, 3219, 3531, 3959, 6699, 7511, 8239, 8547, 9309, 11803, 11877, 21721, 22533, 24717, 27713, 34133, 35409, 43549, 65163, 82621, 83139, 102399, 114811, 130647, 238931, 247863, 304843, 344433, 716793, 803677, 914529, 1262921, 2411031, 3788763, 8840447, 26521341]

約数ペア:

[(1, 26521341), (3, 8840447), (7, 3788763), (11, 2411031), (21, 1262921), (29, 914529), (33, 803677), (37, 716793), (77, 344433), (87, 304843), (107, 247863), (111, 238931), (203, 130647), (231, 114811), (259, 102399), (319, 83139), (321, 82621), (407, 65163), (609, 43549), (749, 35409), (777, 34133), (957, 27713), (1073, 24717), (1177, 22533), (1221, 21721), (2233, 11877), (2247, 11803), (2849, 9309), (3103, 8547), (3219, 8239), (3531, 7511), (3959, 6699)]