1681155

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{593}}^1$

素因数の和:617

約数の個数: 40

約数和(自身を含む): 3449952

約数和(自身を除く): 1768797

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 593, 945, 1779, 2835, 2965, 4151, 5337, 8895, 12453, 16011, 20755, 26685, 37359, 48033, 62265, 80055, 112077, 186795, 240165, 336231, 560385, 1681155]

約数ペア:

[(1, 1681155), (3, 560385), (5, 336231), (7, 240165), (9, 186795), (15, 112077), (21, 80055), (27, 62265), (35, 48033), (45, 37359), (63, 26685), (81, 20755), (105, 16011), (135, 12453), (189, 8895), (315, 5337), (405, 4151), (567, 2965), (593, 2835), (945, 1779)]