81529335

素因数分解:

$3^4\times 5^1\times {\mathrm{201307}}^1$

素因数の和:201324

約数の個数: 20

約数和(自身を含む): 146149608

約数和(自身を除く): 64620273

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 201307, 603921, 1006535, 1811763, 3019605, 5435289, 9058815, 16305867, 27176445, 81529335]

約数ペア:

[(1, 81529335), (3, 27176445), (5, 16305867), (9, 9058815), (15, 5435289), (27, 3019605), (45, 1811763), (81, 1006535), (135, 603921), (405, 201307)]