15899247

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 13453713

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 719, 819, 1053, 1701, 2157, 2457, 3159, 5033, 6471, 7371, 9347, 15099, 19413, 22113, 28041, 45297, 58239, 65429, 84123, 135891, 174717, 196287, 252369, 407673, 588861, 757107, 1223019, 1766583, 2271321, 5299749, 15899247]

約数ペア:

[(1, 15899247), (3, 5299749), (7, 2271321), (9, 1766583), (13, 1223019), (21, 757107), (27, 588861), (39, 407673), (63, 252369), (81, 196287), (91, 174717), (117, 135891), (189, 84123), (243, 65429), (273, 58239), (351, 45297), (567, 28041), (719, 22113), (819, 19413), (1053, 15099), (1701, 9347), (2157, 7371), (2457, 6471), (3159, 5033)]