2231145

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{787}}^1$

素因数の和:811

約数の個数: 40

約数和(自身を含む): 4576704

約数和(自身を除く): 2345559

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 787, 945, 2361, 2835, 3935, 5509, 7083, 11805, 16527, 21249, 27545, 35415, 49581, 63747, 82635, 106245, 148743, 247905, 318735, 446229, 743715, 2231145]

約数ペア:

[(1, 2231145), (3, 743715), (5, 446229), (7, 318735), (9, 247905), (15, 148743), (21, 106245), (27, 82635), (35, 63747), (45, 49581), (63, 35415), (81, 27545), (105, 21249), (135, 16527), (189, 11805), (315, 7083), (405, 5509), (567, 3935), (787, 2835), (945, 2361)]