18021285

素因数分解:

$3^4\times 5^1\times {\mathrm{44497}}^1$

素因数の和:44514

約数の個数: 20

約数和(自身を含む): 32305548

約数和(自身を除く): 14284263

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 44497, 133491, 222485, 400473, 667455, 1201419, 2002365, 3604257, 6007095, 18021285]

約数ペア:

[(1, 18021285), (3, 6007095), (5, 3604257), (9, 2002365), (15, 1201419), (27, 667455), (45, 400473), (81, 222485), (135, 133491), (405, 44497)]