142730505

素因数分解:

$3^4\times 5^1\times {\mathrm{352421}}^1$

素因数の和:352438

約数の個数: 20

約数和(自身を含む): 255858372

約数和(自身を除く): 113127867

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 352421, 1057263, 1762105, 3171789, 5286315, 9515367, 15858945, 28546101, 47576835, 142730505]

約数ペア:

[(1, 142730505), (3, 47576835), (5, 28546101), (9, 15858945), (15, 9515367), (27, 5286315), (45, 3171789), (81, 1762105), (135, 1057263), (405, 352421)]