51553971

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 90814464

約数和(自身を除く): 39260493

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 329, 423, 483, 757, 987, 1081, 1449, 2271, 2961, 3243, 5299, 6813, 7567, 9729, 15897, 17411, 22701, 35579, 47691, 52233, 68103, 106737, 121877, 156699, 249053, 320211, 365631, 747159, 818317, 1096893, 2241477, 2454951, 5728219, 7364853, 17184657, 51553971]

約数ペア:

[(1, 51553971), (3, 17184657), (7, 7364853), (9, 5728219), (21, 2454951), (23, 2241477), (47, 1096893), (63, 818317), (69, 747159), (141, 365631), (161, 320211), (207, 249053), (329, 156699), (423, 121877), (483, 106737), (757, 68103), (987, 52233), (1081, 47691), (1449, 35579), (2271, 22701), (2961, 17411), (3243, 15897), (5299, 9729), (6813, 7567)]