42538365

素因数分解:

$3^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 77296128

約数和(自身を除く): 34757763

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 157, 223, 243, 405, 471, 669, 785, 1115, 1215, 1413, 2007, 2355, 3345, 4239, 6021, 7065, 10035, 12717, 18063, 21195, 30105, 35011, 38151, 54189, 63585, 90315, 105033, 175055, 190755, 270945, 315099, 525165, 945297, 1575495, 2835891, 4726485, 8507673, 14179455, 42538365]

約数ペア:

[(1, 42538365), (3, 14179455), (5, 8507673), (9, 4726485), (15, 2835891), (27, 1575495), (45, 945297), (81, 525165), (135, 315099), (157, 270945), (223, 190755), (243, 175055), (405, 105033), (471, 90315), (669, 63585), (785, 54189), (1115, 38151), (1215, 35011), (1413, 30105), (2007, 21195), (2355, 18063), (3345, 12717), (4239, 10035), (6021, 7065)]