1900672695

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{247001}}^1$

素因数の和:247037

約数の個数: 40

約数和(自身を含む): 3586469040

約数和(自身を除く): 1685796345

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 247001, 741003, 1235005, 2223009, 3705015, 4693019, 6669027, 11115045, 14079057, 20007081, 23465095, 33345135, 42237171, 70395285, 100035405, 126711513, 211185855, 380134539, 633557565, 1900672695]

約数ペア:

[(1, 1900672695), (3, 633557565), (5, 380134539), (9, 211185855), (15, 126711513), (19, 100035405), (27, 70395285), (45, 42237171), (57, 33345135), (81, 23465095), (95, 20007081), (135, 14079057), (171, 11115045), (285, 6669027), (405, 4693019), (513, 3705015), (855, 2223009), (1539, 1235005), (2565, 741003), (7695, 247001)]