420160905

素因数分解:

$3^3\times 5^1\times {\mathrm{3112303}}^1$

素因数の和:3112317

約数の個数: 16

約数和(自身を含む): 746952960

約数和(自身を除く): 326792055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 3112303, 9336909, 15561515, 28010727, 46684545, 84032181, 140053635, 420160905]

約数ペア:

[(1, 420160905), (3, 140053635), (5, 84032181), (9, 46684545), (15, 28010727), (27, 15561515), (45, 9336909), (135, 3112303)]