164425545

素因数分解:

$3^4\times 5^1\times {\mathrm{405989}}^1$

素因数の和:406006

約数の個数: 20

約数和(自身を含む): 294748740

約数和(自身を除く): 130323195

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 405989, 1217967, 2029945, 3653901, 6089835, 10961703, 18269505, 32885109, 54808515, 164425545]

約数ペア:

[(1, 164425545), (3, 54808515), (5, 32885109), (9, 18269505), (15, 10961703), (27, 6089835), (45, 3653901), (81, 2029945), (135, 1217967), (405, 405989)]