16191495

素因数分解:

$3^4\times 5^1\times {\mathrm{39979}}^1$

素因数の和:39996

約数の個数: 20

約数和(自身を含む): 29025480

約数和(自身を除く): 12833985

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 39979, 119937, 199895, 359811, 599685, 1079433, 1799055, 3238299, 5397165, 16191495]

約数ペア:

[(1, 16191495), (3, 5397165), (5, 3238299), (9, 1799055), (15, 1079433), (27, 599685), (45, 359811), (81, 199895), (135, 119937), (405, 39979)]