15621485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 21835008

約数和(自身を除く): 6213523

約数列:

[1, 5, 11, 23, 53, 55, 115, 233, 253, 265, 583, 1165, 1219, 1265, 2563, 2915, 5359, 6095, 12349, 12815, 13409, 26795, 58949, 61745, 67045, 135839, 284027, 294745, 679195, 1420135, 3124297, 15621485]

約数ペア:

[(1, 15621485), (5, 3124297), (11, 1420135), (23, 679195), (53, 294745), (55, 284027), (115, 135839), (233, 67045), (253, 61745), (265, 58949), (583, 26795), (1165, 13409), (1219, 12815), (1265, 12349), (2563, 6095), (2915, 5359)]