42039405

素因数分解:

$3^4\times 5^1\times {\mathrm{103801}}^1$

素因数の和:103818

約数の個数: 20

約数和(自身を含む): 75360252

約数和(自身を除く): 33320847

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 103801, 311403, 519005, 934209, 1557015, 2802627, 4671045, 8407881, 14013135, 42039405]

約数ペア:

[(1, 42039405), (3, 14013135), (5, 8407881), (9, 4671045), (15, 2802627), (27, 1557015), (45, 934209), (81, 519005), (135, 311403), (405, 103801)]