51340779

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2477}}^1$

素因数の和:2544

約数の個数: 36

約数和(自身を含む): 88137504

約数和(自身を除く): 36796725

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2477, 2961, 6909, 7431, 17339, 20727, 22293, 52017, 116419, 121373, 156051, 349257, 364119, 814933, 1047771, 1092357, 2444799, 5704531, 7334397, 17113593, 51340779]

約数ペア:

[(1, 51340779), (3, 17113593), (7, 7334397), (9, 5704531), (21, 2444799), (47, 1092357), (49, 1047771), (63, 814933), (141, 364119), (147, 349257), (329, 156051), (423, 121373), (441, 116419), (987, 52017), (2303, 22293), (2477, 20727), (2961, 17339), (6909, 7431)]