15551319

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1759}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 23767040

約数和(自身を除く): 8215721

約数列:

[1, 3, 7, 21, 421, 1263, 1759, 2947, 5277, 8841, 12313, 36939, 740539, 2221617, 5183773, 15551319]

約数ペア:

[(1, 15551319), (3, 5183773), (7, 2221617), (21, 740539), (421, 36939), (1263, 12313), (1759, 8841), (2947, 5277)]