15696920421

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2129551}}^1$

素因数の和:2129583

約数の個数: 40

約数和(自身を含む): 28859688704

約数和(自身を除く): 13162768283

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 2129551, 6388653, 14906857, 19165959, 27684163, 44720571, 57497877, 83052489, 134161713, 172493631, 193789141, 249157467, 402485139, 581367423, 747472401, 1207455417, 1744102269, 2242417203, 5232306807, 15696920421]

約数ペア:

[(1, 15696920421), (3, 5232306807), (7, 2242417203), (9, 1744102269), (13, 1207455417), (21, 747472401), (27, 581367423), (39, 402485139), (63, 249157467), (81, 193789141), (91, 172493631), (117, 134161713), (189, 83052489), (273, 57497877), (351, 44720571), (567, 27684163), (819, 19165959), (1053, 14906857), (2457, 6388653), (7371, 2129551)]