4047915

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 6502176

約数和(自身を除く): 2454261

約数列:

[1, 3, 5, 15, 421, 641, 1263, 1923, 2105, 3205, 6315, 9615, 269861, 809583, 1349305, 4047915]

約数ペア:

[(1, 4047915), (3, 1349305), (5, 809583), (15, 269861), (421, 9615), (641, 6315), (1263, 3205), (1923, 2105)]