121789521

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4919}}^1$

素因数の和:5066

約数の個数: 32

約数和(自身を含む): 207820800

約数和(自身を除く): 86031279

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 2751, 3537, 4919, 8253, 14757, 24759, 34433, 44271, 103299, 132813, 309897, 644389, 929691, 1933167, 4510723, 5799501, 13532169, 17398503, 40596507, 121789521]

約数ペア:

[(1, 121789521), (3, 40596507), (7, 17398503), (9, 13532169), (21, 5799501), (27, 4510723), (63, 1933167), (131, 929691), (189, 644389), (393, 309897), (917, 132813), (1179, 103299), (2751, 44271), (3537, 34433), (4919, 24759), (8253, 14757)]