26878761

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 49131264

約数和(自身を除く): 22252503

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 777, 819, 887, 1443, 2331, 2661, 3367, 4329, 6209, 7983, 10101, 11531, 18627, 30303, 32819, 34593, 55881, 80717, 98457, 103779, 229733, 242151, 295371, 426647, 689199, 726453, 1279941, 2067597, 2986529, 3839823, 8959587, 26878761]

約数ペア:

[(1, 26878761), (3, 8959587), (7, 3839823), (9, 2986529), (13, 2067597), (21, 1279941), (37, 726453), (39, 689199), (63, 426647), (91, 295371), (111, 242151), (117, 229733), (259, 103779), (273, 98457), (333, 80717), (481, 55881), (777, 34593), (819, 32819), (887, 30303), (1443, 18627), (2331, 11531), (2661, 10101), (3367, 7983), (4329, 6209)]