64791495

素因数分解:

$3^4\times 5^1\times {\mathrm{159979}}^1$

素因数の和:159996

約数の個数: 20

約数和(自身を含む): 116145480

約数和(自身を除く): 51353985

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 159979, 479937, 799895, 1439811, 2399685, 4319433, 7199055, 12958299, 21597165, 64791495]

約数ペア:

[(1, 64791495), (3, 21597165), (5, 12958299), (9, 7199055), (15, 4319433), (27, 2399685), (45, 1439811), (81, 799895), (135, 479937), (405, 159979)]