15709869

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 27181440

約数和(自身を除く): 11471571

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 269, 309, 567, 721, 807, 927, 1883, 2163, 2421, 2781, 5649, 6489, 7263, 8343, 16947, 19467, 21789, 27707, 50841, 58401, 83121, 152523, 193949, 249363, 581847, 748089, 1745541, 2244267, 5236623, 15709869]

約数ペア:

[(1, 15709869), (3, 5236623), (7, 2244267), (9, 1745541), (21, 748089), (27, 581847), (63, 249363), (81, 193949), (103, 152523), (189, 83121), (269, 58401), (309, 50841), (567, 27707), (721, 21789), (807, 19467), (927, 16947), (1883, 8343), (2163, 7263), (2421, 6489), (2781, 5649)]