87897915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{39863}}^1$

素因数の和:39888

約数の個数: 36

約数和(自身を含む): 177235344

約数和(自身を除く): 89337429

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 39863, 119589, 199315, 279041, 358767, 597945, 837123, 1395205, 1793835, 1953287, 2511369, 4185615, 5859861, 9766435, 12556845, 17579583, 29299305, 87897915]

約数ペア:

[(1, 87897915), (3, 29299305), (5, 17579583), (7, 12556845), (9, 9766435), (15, 5859861), (21, 4185615), (35, 2511369), (45, 1953287), (49, 1793835), (63, 1395205), (105, 837123), (147, 597945), (245, 358767), (315, 279041), (441, 199315), (735, 119589), (2205, 39863)]