31554081

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 50702652

約数和(自身を除く): 19148571

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 197, 333, 481, 591, 1369, 1443, 1773, 2561, 4107, 4329, 7289, 7683, 12321, 17797, 21867, 23049, 53391, 65601, 94757, 160173, 269693, 284271, 809079, 852813, 2427237, 3506009, 10518027, 31554081]

約数ペア:

[(1, 31554081), (3, 10518027), (9, 3506009), (13, 2427237), (37, 852813), (39, 809079), (111, 284271), (117, 269693), (197, 160173), (333, 94757), (481, 65601), (591, 53391), (1369, 23049), (1443, 21867), (1773, 17797), (2561, 12321), (4107, 7683), (4329, 7289)]