27818865

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8707}}^1$

素因数の和:8789

約数の個数: 24

約数和(自身を含む): 48904128

約数和(自身を除く): 21085263

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 8707, 26121, 43535, 78363, 130605, 391815, 618197, 1854591, 3090985, 5563773, 9272955, 27818865]

約数ペア:

[(1, 27818865), (3, 9272955), (5, 5563773), (9, 3090985), (15, 1854591), (45, 618197), (71, 391815), (213, 130605), (355, 78363), (639, 43535), (1065, 26121), (3195, 8707)]