1780951347

素因数分解:

$3^3\times 7^1\times {\mathrm{2953}}^1\times {\mathrm{3191}}^1$

素因数の和:6160

約数の個数: 32

約数和(自身を含む): 3017333760

約数和(自身を除く): 1236382413

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2953, 3191, 8859, 9573, 20671, 22337, 26577, 28719, 62013, 67011, 79731, 86157, 186039, 201033, 558117, 603099, 9423023, 28269069, 65961161, 84807207, 197883483, 254421621, 593650449, 1780951347]

約数ペア:

[(1, 1780951347), (3, 593650449), (7, 254421621), (9, 197883483), (21, 84807207), (27, 65961161), (63, 28269069), (189, 9423023), (2953, 603099), (3191, 558117), (8859, 201033), (9573, 186039), (20671, 86157), (22337, 79731), (26577, 67011), (28719, 62013)]