340256295

素因数分解:

$3^4\times 5^1\times {\mathrm{840139}}^1$

素因数の和:840156

約数の個数: 20

約数和(自身を含む): 609941640

約数和(自身を除く): 269685345

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 840139, 2520417, 4200695, 7561251, 12602085, 22683753, 37806255, 68051259, 113418765, 340256295]

約数ペア:

[(1, 340256295), (3, 113418765), (5, 68051259), (9, 37806255), (15, 22683753), (27, 12602085), (45, 7561251), (81, 4200695), (135, 2520417), (405, 840139)]