15971319

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19501}}^1$

素因数の和:19527

約数の個数: 24

約数和(自身を含む): 28394912

約数和(自身を除く): 12423593

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 19501, 58503, 136507, 175509, 253513, 409521, 760539, 1228563, 1774591, 2281617, 5323773, 15971319]

約数ペア:

[(1, 15971319), (3, 5323773), (7, 2281617), (9, 1774591), (13, 1228563), (21, 760539), (39, 409521), (63, 253513), (91, 175509), (117, 136507), (273, 58503), (819, 19501)]