63949905

素因数分解:

$3^4\times 5^1\times {\mathrm{157901}}^1$

素因数の和:157918

約数の個数: 20

約数和(自身を含む): 114636852

約数和(自身を除く): 50686947

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 157901, 473703, 789505, 1421109, 2368515, 4263327, 7105545, 12789981, 21316635, 63949905]

約数ペア:

[(1, 63949905), (3, 21316635), (5, 12789981), (9, 7105545), (15, 4263327), (27, 2368515), (45, 1421109), (81, 789505), (135, 473703), (405, 157901)]