99990045

素因数分解:

$3^4\times 5^1\times {\mathrm{246889}}^1$

素因数の和:246906

約数の個数: 20

約数和(自身を含む): 179242140

約数和(自身を除く): 79252095

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 246889, 740667, 1234445, 2222001, 3703335, 6666003, 11110005, 19998009, 33330015, 99990045]

約数ペア:

[(1, 99990045), (3, 33330015), (5, 19998009), (9, 11110005), (15, 6666003), (27, 3703335), (45, 2222001), (81, 1234445), (135, 740667), (405, 246889)]