18048015

素因数分解:

$3^4\times 5^1\times {\mathrm{44563}}^1$

素因数の和:44580

約数の個数: 20

約数和(自身を含む): 32353464

約数和(自身を除く): 14305449

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 44563, 133689, 222815, 401067, 668445, 1203201, 2005335, 3609603, 6016005, 18048015]

約数ペア:

[(1, 18048015), (3, 6016005), (5, 3609603), (9, 2005335), (15, 1203201), (27, 668445), (45, 401067), (81, 222815), (135, 133689), (405, 44563)]